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Better Zombie ai

Mod

by mincraft65798

Add all new features to improve your zombie apocalypse experience ,with tons of customizability

Type

Mod

CurseForge Downloads

58,431

CurseForge ID

1088188

Last Updated

Jun 26, 2026

Description

This mod adds additional features to zombies such as the ability to break blocks ,build and hunt you down from long distances in any direction. As well as killing any nearby non-zombie mobs to add the horde. 

 

Try this pre-made modpack for better zombie ai: Extreme zombie survival (better zombie ai)

 

Additions , which can be change with commands or the starting GUI or in the Config(Exclusive to 1.21.1 & 1.21.4 (neoforge))

-The apocalypse can now be started and stopped with the start_ and stop_ command which allow people to prepare and set up before

-Zombies break any (breakable or ones not on the unbreakableblocks-list) block in front of them either instantly or at a universal time or depending on the hardness of the block (Default, On)

-Zombies now build up to you when 2 or more blocks above them (Default, On)

-Zombies target you from up to (default 200 blocks) from underground and all directions (Default, On)

-Zombies can mine down to you from above (VERY FAST) (Default, On)

-Zombies can build over and up (unbreakable and normal) walls (Default, On)

-Zombies target any nearby mobs (that are not zombies) (default 10 blocks)(This can now be change in the GUI), apon killing the mod (Depending on it health (divide by 10 and and 1)) it will spawn more zombies (Default, On)

-Zombies when burnt by the sun wear leather helmets (Except this one, you can't change this on)

-Zombie damage and health slowly increase every set amount of days (default(1 health and damage increase per 1 day) (Default, On)

-Ghostblocks allow the world ruined by zombies to repair its self overtime (With broken blocks restoring themselfs and building blocks breaking) (Default, Off)

-Adds a new effects (Bittern, minor infection, and infected) ,which spawns a zombie when your killed ,and all give you increasing negative effects and after 3 minutes you will die  (the only cure is milk)  (Default, On)

-Mobs can now be removed with a command with the creeper ,skeleton, and stray already removed(This can be changed using commands or in the GUI) (Default, On)

-You can now change which blocks are breakable or not with the unbreakable blocks command(All player unbreakable block cannot however cannot be changed)

-Specific blocks now drop when broken by zombies (This can be change with the droppingblocks command)

-Decaying oak planks now can be crafted into a crafting table and sticks as well as: stairs, slabs, fences, fence gates, buttons, and pressure plates

AD_4nXeMHGrgUTwv-XUG17PuP4pRAdGVO1KQzWSL_2SkC2EUOprfVDjALe2X8pgIPujz-DdnjwHFN2dqCRZNvYWO-5u8M7Ohtr_RQZvrBAS0UTw3-BJVJuWhp8sFQe8t--PT9dRNX74n9w?key=x1svKYQubvv8BPaTQ-Qk0yi4

-You can now obtain these blocks by right-clicking any most oak blocks that have a decayed oak variant with rotten flesh

 

Apon spawning a GUI will open that will allow you to change all preset setting

To reduce lag play on low render distance and unlimited FPS*

This mod is designed to be used in modpacks or on it's own (specifically in curseforge or anything with relations to curseforge)*

If you can please report any bugs so that they can be fixed* (Please say the Minecraft version , mod version, wheather or not it is multiplayer or survival & any other mods if affected )

Feel free to suggest any ideas or improvements in the comments*

Waning mitotsisAmount refers to how many zombies will be after duplication**

 

Try my other mods: Weaker Players , Weaker players: remastered , Timed , Charms & trinkets , and magic items

 

Discord:

description_a4fd724a-6360-4054-8e8b-662bf6ffe006.png

I’ve launched a Discord server to support the development of this mod!
It’s a better space for bug reports, feedback, and discussion than the mod’s comment section — faster, more organized, and interactive.

Feel free to join if you’d like to contribute, stay up-to-date on development, or just enjoy the mod and want news and updates in real time.

You’re also welcome to share your modpacks, survival strategies, or even your own servers.

Join HERE https://discord.gg/pQXUjempwy

 

Config(Exclusive to 1.21.1 & 1.21.4 (neoforge)): (Not avaible on version 53)

The config file will apear after the game is run, which then it can be changed - "BetterZombieAiConfig_2.tmol" in "Config" folder

description_7e1ccbf1-649e-41d7-98fd-27a1cab9546e.png

When changing anything within the config make sure to keep the same syntax**

 

Commands:

The new start and stop command allow you to set up or prepare for the coming apocalypse

description_ff0b60cb-dbfd-4f59-aa4a-fd1ff0781116.png

Starts the apocalypse

description_5c1615f3-1e3b-4ad8-b754-19c13f06df69.png

Stops the apocalypse

 

The menu command reopens the menu so that previous setting can be changed 

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Opens the starting menu to reset all and change what is necessary

 

Banmob command can be used to ban mob from spawning 

AD_4nXfNUa15ptkPytEi7d3kaZfe6g4vhUNE35X0zFo8RoR_EG65xt18NVxtWUnDw--3GL9aao5gRFtb3h5CwvKZO2g_XRRzk6gR1ICc5vPseVPGmrI67vZvj91Cm4_IjCSdq5gSGiUI?key=x1svKYQubvv8BPaTQ-Qk0yi4

This prevents the entity cave spider from spawning

AD_4nXcYT6AD448txlyo7NLW6IMEd3SNrrwGqgGGks_qMhXNVa5GSshNGwsWWYJ91vrHHmRRTxDg9B2LSde3vzdUjaYbTFRvCrsZCz5StteTEgGuPCcbL6ck9yx0HgsofV-sAwocq4t4Pg?key=x1svKYQubvv8BPaTQ-Qk0yi4

This allows the entity cave spider to spawn

AD_4nXeV6eSJLuU5YqFBojkt7JGHhkJ5UAYEyttAmd3pSAlS9WWIH0bmF0wmv-JzhgotDhXk83s0HaBIZ6B_pDhZD-uvYd1a4-Me7cpIGGzsI8vpGn7zbf5AZevJSEj1nU___8zs-kJOPQ?key=x1svKYQubvv8BPaTQ-Qk0yi4

This shows all entities who are banned

 

Droppingblocks command lets certain blocks when broken ,by zombies, to drop themselfs

AD_4nXdv8i062IDMfPfgOrGZuPa2k13A7m6bjuEklVh4TQGAGjIQYOnl5A0s--VacsupRJbQ7NtDExVNZdkiR_9HClBkFGhEIVAL0Q1rzKhIYX-Caf6rGu-UzovBopZcsny8tonGnpoIWQ?key=x1svKYQubvv8BPaTQ-Qk0yi4

This allows dirt ,when broken by a zombie, to drop

AD_4nXeV0XKKcXEvjKcHXhgsepsYqQX1EWIb-nKsDmqg_tus_4Gzcnc-k_QVksodSY-qgsvu73xA998Cr7YQxJUmLmh5iDcFErTQxOpRXW10_fMOits52_7J5HprrfJtfcinj61Bz654?key=x1svKYQubvv8BPaTQ-Qk0yi4

This prevents dirt ,when broken by a zombie, to drop

AD_4nXd_8D2kHcmHrrOtKaLnhOKOG6G2BPti8WeBZbap5Pssb3PBH_Da1dOjO9VHQta5qvqtkiAQ6CI0CpBSyRdi6LxJK0BzOeZRLKywLcjMiZlwJAZz1PUckTq__dv6gz-x25_n4nX1nQ?key=x1svKYQubvv8BPaTQ-Qk0yi4

This shows all blocks which ,when broken by a zombie, drop

 

Unbreakableblocks command prevents certain blocks from being broken by zombies

AD_4nXfIt7xAo9jtcur3BR6Wwl47fR0aa7Q3G76ZJwOjHm8naIfX47fPXwjoFnzb1NsDLQvDbJfMyHhsJ8jvo1z6QLqNSNivORtD0P-UXjURqymsHUgzMqsPknqhN7sPdSxeI1pSArqDaA?key=x1svKYQubvv8BPaTQ-Qk0yi4

This prevents dirt from being broken by zombies

AD_4nXejGYU7g-J1ZFi7jvsMKF5FXMnoFGZenqtiYiAGJdtGSkRB4WibSsHJImbrCqKAMLZ9Yyujgx7JiH4mKF-h63_QQKffeGPQ3E5j6wO1l7W4CrjVu6khg2FR2239KIBan2U_2knk?key=x1svKYQubvv8BPaTQ-Qk0yi4

This allows dirt from being broken by zombies

AD_4nXdLcMJZV8l6v2dRk6N4FOKdAklB6QaZHimXBhelbmQRlYYjw3qfAYcEIUwEGFeenXCwv0H9VpYVQlIyfxQxyzTndssHNsvGIKBne4pMo0ehEXrkK0WsQkQl3NEqrg-teJ7HdCxYhQ?key=x1svKYQubvv8BPaTQ-Qk0yi4

This shows all blocks which cannot be broken by zombies

 

Zombie target range can be changed with the Zombietargetrange command

AD_4nXfyxH8_ADDl5K-EUYJYNS9c1zMlNK-qBSzycmVqJ7gaxqXH8BLXJd5q_cyiIJR6iGrLNcvVIyztI1_khDmWh5H0hQvdKKGTy7t1WaKIaDwCgc4YtueAgy1OYFxcwx1wo15Y_oDAXw?key=x1svKYQubvv8BPaTQ-Qk0yi4

Set zombie target range*

AD_4nXdEHW2Q5FD8Q8wtUgmT_UWp5NmpBZYqBPX3777gZEf7f2A6vFsscQy_LW9_FAOFpqBVExqyrOxL_0MCylpbtLiaBc6pODfSSYrAh1WQrzROfnO62dPUcv45KjppgOxRikTROmKimA?key=x1svKYQubvv8BPaTQ-Qk0yi4

Shows current zombie target range*

 

Nearby zombie target range (how far can zombies can target any non-zombie) can be changed with the Nearbyzombietargetrange command

AD_4nXdg5EQGF_v7On3QNiRM7EDLUYhDNVT2vWUBgHmtp2uEBmjk4ijrt4p8QOxBFaG-yZ2iVc60i1YUTsb0zZ6ksc0eN66r3CST1DpINwF23-s-uTZtYxNV_VGlvGOv5hy0TcLjL2VhpA?key=x1svKYQubvv8BPaTQ-Qk0yi4

Set nearby zombie target range*

AD_4nXcHCnoSXERSOnpFX3rgdPsLyAzppRdYKLr18sWujtXUEqsdwrt9epKYAlXuU7yuE70HaSlrd88wDZ4kPvVrjCJQWHeFfYE47EB6V1GONX8wOrthHhPDAfAC-vr9rbd0oiBxTkOCQQ?key=x1svKYQubvv8BPaTQ-Qk0yi4

Shows current nearby zombie target range*

 

Zombie maxhealth and damage can be changed with the Zombie command

AD_4nXcqayRZnwMfJeYmN-ewMi9YAWqSEwF8SM_gF9pBh6qS_JJUr-gRSMwNJlVo9OLGBd4U4wHsSkBy83GMJOf0ev1q-yWIgFKh-5Mt5uxfVDYli9JGwvwvobGSqyjTonpWv1c2BTh8?key=x1svKYQubvv8BPaTQ-Qk0yi4

Sets zombie maxhealth*

AD_4nXc_1v9F-h4HfV44NLJlUzE2WKkvLVUNPzLekhw0q3lnDD5phBzEN1JC1xvr-CXAYpxGzAjfzkcBJBo0kaTx3By1Aeqs1n-sQRHghgA2QipxI18vufjIK60-LGcXoG-zSmpFMi27?key=x1svKYQubvv8BPaTQ-Qk0yi4

Shows current maxhealth*

AD_4nXc-opTWS4sk66hnisC127oyvYcR0dRMW6w9I1k3uBr-NWIxUVrWk92_Jxl5jxqIOCGTvLmcNn7Y6n8yhsJsZK8QFp6iGK0-fQtrbNEIuVL5ejuTltQji1LIMT5_p_Fve9ZhAUczSw?key=x1svKYQubvv8BPaTQ-Qk0yi4

Sets zombie attack damage*

AD_4nXcBXXgku2AvePeInuKgkQqJfNfUitUgH-8vejDkaYG2WiJtnvthc81qagxtcGlQcizXFoCEGdlzguI5IQZNpeGXR2C1BlcVNNlbWTv9FzxWwcxYJSeoMX8eAA4fWeL-Ua_O1N1-?key=x1svKYQubvv8BPaTQ-Qk0yi4

Shows current attack damage*

Sets the time it take to naturally preform mitosis in seconds when enabled

Shows the time it take to naturally preform mitosis in seconds when enabled

Sets the number of zombies spawned by mitosis when enabled

Shows the number of zombies spawned by mitosis when enabled

Sets the number of seconds it takes to break a block when enabled

Shows the number of seconds it takes to break a block when enabled

 

Zombies now slowing increase damage and health each day, the amount they in increase by can be change by the damage increase and health increase command

AD_4nXfZiwDh-TNGunZKb6_K1ln7WDuUWU1iithKYQhoz9eZf-R3wp1kjYYUbAJIPkZuvZ94iMvXjVNgl22bcivxoERZPYYkKcCXjhf71JXbovi57YZmFyWf9ixbjUUZE2r16TFjtVm7?key=x1svKYQubvv8BPaTQ-Qk0yi4

This set the increasing damage amount to 1

AD_4nXc5rS75Mt565abTBCMRUKADTxlzPP8AV8BWfbaRXTz-xOdg-9s-wFBFCTiBz5kp6ioovWsiTEYFxkZAlrefJoIUpZKxzkJQ6W43jawpNefPY--4QgBAHGM8mjocieS2Hp68YEkE?key=x1svKYQubvv8BPaTQ-Qk0yi4

This shows the increasing damage amount 

AD_4nXePBh9z2gDldiiKzIHGm5cXIOfab-Spsi3TLKClF5zncyme0YYNPo0ExHlJ1nAtZEBHwt3dQD3jBOsf7BCsTQferd5eZSwk3fgHFAIR3D0L_VzQio_Ic52TTe0zdfv5wUY5IELRLg?key=x1svKYQubvv8BPaTQ-Qk0yi4

This set the increasing health amount to 1

AD_4nXfyLHeVFujLaAID0QhSzSE_Crc69eImKPCrC0KhMDQYfu-IXdJYnJdaQYki6yYdx_IIxYB_E0xiD0hgB8LodEgPhGAvvqrATkPjeHEyAvQW07rKlvx17JXLeg_yJQwhn3kb2l8mqA?key=x1svKYQubvv8BPaTQ-Qk0yi4

This shows the increasing damage amount 

 

This set and shows how many days it take in order to trigger a increase of health and damage

AD_4nXcBBj4FMdSq_vWKdaxZgbAavrdZcajoz4_gS40vkGv2JuujEjlbwtp2Kgq3WINRDARUX5ClnS1fTMLAJEPmoawW_yomlZN8tgsgmomQx8tnteAyigtOduJEQGyxZP2cMD1UeXsPrw?key=x1svKYQubvv8BPaTQ-Qk0yi4

This set the days per increase amount to 1

AD_4nXdzcIuPxBMDTWQX2JMw22jiq9x1HjFrVoQvKuGTyFkIoy3SJhSYkicQ6gEfZr_FiuoMe9SLApYVGKkvKGpB62EBz6yQwl3dmDO7NxppXiRZ3Wpqt3flq8WepRCVHNn2yK9NurfGzA?key=x1svKYQubvv8BPaTQ-Qk0yi4

This shows the days per increase amount 

 

Using the Maxzombies command you set how many zombies you can see at a time to prevent lag

description_33606637-eda2-479c-8b51-6c9b1d31bc34.png

Sets Maxzombies to 1000

description_3d7bfdea-642e-4af7-933c-bcf32efca295.png

This Shows Maxzombies amount

 

Using the allow command you can change whether they are allowed to build or break

AD_4nXeQ2coXEpjkzLgmgCgXnRPV7RTn13dlBkmDMKZ-f0E_KdOecgTgyNT0rn3Icx_ZvxDpiIkI9KHNNZO59-kD-Enb4J1g48JtOTVF_bL-ibqYpN6UIlkDbuJYdycU62BlU7t_Pz12vw?key=x1svKYQubvv8BPaTQ-Qk0yi4

Allows zombies to build

AD_4nXft7JO7y1Abw6Q_CLfji0qlW5c8r7slTcrr5h-dqmLduLHnh7dI2yopxbP153R3OV6yLOxYeWLF07w4RMVKgv9jj4kiRbq-2LJTQkPiEQNfGPQq6w1TMzxmDIetZ2OUhd5GA8fZ?key=x1svKYQubvv8BPaTQ-Qk0yi4

Prevents zombies from building

AD_4nXfepqsQXFyihs2ZNndQzldy2S62g9RjKe9uLe9QYrcotwsJVNHwd1az89jhP8FceR0OXmjRNBzrZ-17mVf9qMH64CRFpH92qEvdwp4YzLjzWpAFQ1bhazbjZxe8AA0INO3dgIxJ9Q?key=x1svKYQubvv8BPaTQ-Qk0yi4

Allows zombies to break blocks

AD_4nXch1tI3R-x-OcklMP_b4iw5dkyqCMMlPn6TCY2o5VGeHTN-vEIvdcYf63YZL4YyQUzjMnmSEcMEPPMWNP-ceo9TROjXBFi2EI-6cEGtLuvPgWCXOMDUEjpB8aYX9hEfMY2y6advnw?key=x1svKYQubvv8BPaTQ-Qk0yi4

Prevents zombies from break blocks

AD_4nXcBTeQhzFsEe-0IFoabXrVKRmeh1mFC_WI2hpIeF11dDzGCypDaMhaW8fUld9LWvCirFUumjo9FrtnHo7VAkRpw_wQE40xLGNUjWyhAiu6QvynTJG7L4m9mYcXUheTiUHKan2WDiw?key=x1svKYQubvv8BPaTQ-Qk0yi4

Allows zombies to infect players

AD_4nXcVYmAclTMhehzi97kUT7jVWnVXx1oCi3FfV31Nu-ftWGesLtKBNMFQgLUP1AC722SWTJ_WD4vT2VOboGbf3CDdxIDv57A9iTVta6-7yvx0JFRayeBHarB6PoaEpF8gZFckO5aXRw?key=x1svKYQubvv8BPaTQ-Qk0yi4

Prevents zombies to infect players

AD_4nXev4hakDmSTo2iGxcz_RUVdFwBcYdmyFMR8YEIBxtE4HndcwVKI7jeujJWwWfyWelf_0QjQNutBQDPx0dt6q53I_dtxifJcOsv7SaMsr2TcgTltQm8druvtDVmeS4DaC96Zb45N?key=x1svKYQubvv8BPaTQ-Qk0yi4

Allows the mob-ban list from activating

AD_4nXftKVZ6OOy1mFVTbO_oQaOmiNnMKUvV88fwHPwIsPIld7pdgf2LzWDJ7gnzcmw-XQTFKuKV6bu-mioxlItQ97D12vtaL0TJ9IR5j2TUfA7yeOXQcjMjPCeyP3Wvw2fuNdAtIUqU5Q?key=x1svKYQubvv8BPaTQ-Qk0yi4

Prevents the mob-ban list from activating

AD_4nXcde5InFimfDpAp2qOucbtMpSRHTzi6GsT_1hb15gY3yBPuyWFOwLTyFpQLcbWdjKr5MOTwllR_M9q0rF4Y-rRRYWWsz7GW5LO7Ljg4y22axXsxNyyb5MUvr5AkHdMikhc_a2VC?key=x1svKYQubvv8BPaTQ-Qk0yi4

Allows zombies to target entities

AD_4nXf32kdEanRPHV5oabXiBYLjxn5tdd1Z_U_U6DUWUMTEsZ52_auVMjKLm4odkXKO6VyoeQduOD9KKqXX25F3VKEesGDG-NTm04Htu-wEXkSbOiLOFXnSQnQFf8mDVECwmxUZM2EX1Q?key=x1svKYQubvv8BPaTQ-Qk0yi4

Prevents zombies from targeting entities

AD_4nXdl4gBKEGgSBf131M3IHsZOmlOolD4mApZb6n0bD1rilN2hAppCZ2TI3zp-DfBKDTGNdcZ1BWCSHcvJCx2bE9TuRq_FxmPFCiPAWhl4oJ1aJgJz2kIJyX8fruJjJpTNCZlf7HFdCw?key=x1svKYQubvv8BPaTQ-Qk0yi4

Allows every set number of days to increase zombie health and damage

AD_4nXdPABlp7M75zV91EtXcjjAzNqaiyVS-rkM61peBzOsoC8JjvGk-uEolEvYtSsNqOcjmWbjdFXqJ2K74q1aqodn6TmQVkbo25shyD_0UAybpqRpYeDk4CXlVQzHArY9yTEew2hHWVw?key=x1svKYQubvv8BPaTQ-Qk0yi4

Prevents every set number of days from increasing zombie health and damage

AD_4nXcU3SNefST1XRFltlqZYDAMv4CjgY14ghK0z26mjnyA18LpGnLkNnxAGm2dr0vVk7q-uWZLqW4UGeOXoIvnOAHH-UYX3qFYy9OsC5CHfBvyZcmlP-UfPWD8vY8UZcWegofhH2kv?key=x1svKYQubvv8BPaTQ-Qk0yi4

Allows zombies when killed to have a chance of spawning 2 more

AD_4nXfzFZcy8bX1PZD-DmB0Pq4dpEOAfiZ44FVsgpuGj7yNyjB92Qyl8QuHEA7WsmP6pSIoXEJ2fPMB3edSmP7m8xqrxUt17cPXuQksslRs44-1_-GxisdiZgATiFcrq6oKw4eUBWcfyg?key=x1svKYQubvv8BPaTQ-Qk0yi4

Prevents zombies when killed to have a chance of spawning 2 more

AD_4nXeJmLDgwj6uSwsX4C_yq4ts_Sez5j4atTj-stO92GLlXJ8tXjmfbuacz0eJOJPv69YcXidfOcaEaEZ-u-tvQyHgjwduxn3ZbBuUe1DXRKr-bFeb9fC5-TchWgFtc46PFtVYBhllBQ?key=x1svKYQubvv8BPaTQ-Qk0yi4

Allows zombies when killed to spawn a block underneath that will respawn them after a certain amount of time

AD_4nXeYnpQka2D1H3rHbDav6kbxvxQquGcYNQAkfgKUAm-notyXc6AZaFT35LALTW8pr_u5c83UwMZuhD55MXLwPAeFbc5M79x3TlffT_6lv0yXyjiMIxlgEMZyVtzEv7_LP7WxM2sEiw?key=x1svKYQubvv8BPaTQ-Qk0yi4

Prevents zombies when killed to spawn a block underneath that will respawn them after a certain amount of time

Allows ,when zombies build or break blocks for them to reappear / disappear back to their orginal state

Prevents ,when zombies build or break blocks for them to reappear / disappear back to their orginal state

Allows ,zombies to mine anything in a set amount of time (Requires zombie timed mining to be on)

Prevents ,zombies to mine anything in a set amount of time (Requires zombie timed mining to be on)

Allows, zombies to break anyblock in a set amount of time based on the block's hardness level

Prevents, zombies to break anyblock in a set amount of time based on the block's hardness level

description_fbbf1824-4608-4390-8bbd-b076d3de238f.png

Allows, zombies to wear leather cap during the day to prevent themeselfs from setting on fire

description_9a157cca-e2d5-400d-b39f-e3e0bf1b7d9e.png

Prevents, zombies from wearing a leather cap during the day to prevent themeselfs from setting on fire

If you are a fan of my work and want me to continue updates and support for all of my mods
Consider supporting me on my pateron (£1 - £3 per month)

https://www.patreon.com/cw/mincraft65798

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