Evil Captcha

Evil Captcha

Don't you love captchas ?

by
1.3K Downloads
fabricminigame
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Screenshots

it starts off simple
some old classics
confusion
boxes containing evil
very real and serious captchas
Rorschach

About this Mod

Don't you love captchas ?

This mod adds 14 silly captchas that appear at inopportune moments; for example when opening a loot chest. They get progressively more difficult, with most not having a max difficulty; so if you play long enough, they'll get almost impossible at some point.

This mod is obviously not serious btw. Not a safety measure, just a small funi

As Seen on TV! (<- actually just youtube)

Features

Captcha-like minigames (surprise!)

Spoilers! It's much more fun if you don't know what's coming for you :)
  • Classic Single Image Boxes
    • Shows a single cohesive image; "click all boxes containing X"
    • Difficulty increases the accuracy required to pass
    • Difficulty also influences the Image Pool
  • Classic Multi Image Boxes
    • Shows multible boxes with small images; "click all boxes containing X"
    • Difficulty increases the amount of boxes and slows down the fading animation
    • Difficulty also influences the Image Pool
  • Classic puzzle slide
    • Shows a cohesive image with one small part of it on the side. You need to slide it into its rightful place
    • Difficulty influences the accuracy required to pass
  • Classic Wonky Text
    • You need to transcribe the increasingly obscured letters shown to you
    • Difficulty adds more and more layers of.. obscuration ? dunno if that's a word
  • Classic Image Search
    • You're shown an array of Objects scattered over a background image; You need to click a specific one to pass.
    • While this sounds similar to Comprehension tests (next bullet point), there's no Adjectives involved here
  • Simple Comprehension Test
    • You're shown several Objects with different Attributes; you then need to (for example) "Click the Green Apple", or "Click the Nervous Delta"
    • Difficulty influences the Object and Adjective Pools
  • ADVANCED Comprehension Test
    • You're once again shown several Objects with different Attributes; the prompts are a bit more complicated though (for example) "Click the Circle in the color of the Huge Mystery"
    • Difficulty influences the Object and Adjective Pools
    • An incident of me not getting past one of these irl was probably the main inspiration behind this entire mod. It's a deep seated Trauma. Yes, this Mod is Vent Art (<- not really (I want to clarify that this is a joke))
  • Math
    • Solve a Math Equation to pass (yea, that's it)
    • Difficulty influences how big the numbers are and what Operators may be used
    • Caution: Order of Operations is taken into account
  • Wimmelbild
    • A harder version of Classic Image Search; an absurd amount of Objects is shown, making it much more difficult to find the right one
    • Wimmelbild is german and can be translated to "Busy Picture". It's that type of game where you gotta find a bunch of stuff in images, usually to obtain an item and ultimately solve a puzzle
    • Difficulty increases the amount of objects further
  • Rorschach Test (now we're getting into the sillies)
    • What do you see in this image ? How does it make you feel ? Maybe you'll find an answer in these random ink splodges
    • Not influenced by difficulty
  • Gambling Addiction
    • You need to get your balance above a given quota by playing on a Slot Machine
    • You can in-//decrease your bet as you wish to possibly WIN BIG!! or lose it all (much more likely)
    • Difficulty increases the Quota
  • AMONGUS
    • You're shown an array of Images; one of them is not like the others.. it must be up to something! THROW IT INTO SPACE
    • Difficulty influences the Image Pool
  • Wizard
    • catch it
    • quick
    • Difficulty influences the Wizards might
  • Butterflies!
    • A bunch of Butterflies are set loose on your screen; click all of them
    • Difficulty influences how fast and erratic they move
  • Sponsor
    • Now for a message from our sponsors
  • Journey of Slime
    • Get to the other side while avoiding getting squished by minecarts or drowning in rivers in an isometric 3d frogger minigame
    • Difficulty influences the length of the area and the amount of rails//rivers

I have some more ideas as well, those were too ambitious for a quick joke side project though. Maybe I'll add them in the future
There is a Trick to some of them

There is Global and Local Difficulty; The Global Difficulty is shared between all players. When a Player passes a Captcha, their Local Difficulty increases. The Final Difficulty is calculated using global + local

Configurable Evil

  • Lethal (default: false)
    • You have a limited amount of tries; failing too many Captchas kills you.
  • Explosive (default: false)
    • You don't just die, you explode (it's a bit of a big explosion, be wary of that)
    • I'd recommend only enabling this in Worlds you don't intend on keeping, or are fine with them
    • Doesn't have any effect if Lethal is disabled being destroyed a little
  • Validation Expiration (default: true)
    • Triggers a Captcha when there wasn't one for a certain random range of time
  • Not Easy (default: false)
    • Makes it so that Captchas that can't be failed or are very easy, won't appear
  • Lives (default: 3)
    • The Amount of Tries you have to do Captchas before you die
    • Doesn't have any effect if Lethal is disabled
  • Expiration Delay Min (default: 120)
    • The minimum Amount of Seconds before a new random Captcha is triggered
    • Doesn't have any effect if Validation Expiration is disabled
  • Expiration Delay Range (default: 120)
    • The random Range of Seconds before a new random Captcha is triggered
    • To better explain it, the delay before a new captcha is triggered is calculated by min + random(range)
    • Doesn't have any effect if Validation Expiration is disabled
  • Constant Increase Rate (default: 0.002)
    • The Global Difficulty is increased by this amount every Second. I wouldn't recommend setting much higher numbers than the default, stuff escalates VERY quickly
    • If you don't want the difficulty ot increase over time, set this to 0
      • Passing Captchas will still increase the local difficulty
  • Captcha Rewards (default: true)
    • Whether completing a captcha should reward the player with items from a customizable loot table
      • This loot table is empty per default; if you want to add rewards to captchas, you can do so using a datapack.
  • Toggle individual captcha Sources (default: all true)

Datapack support

You can make your own Captcha Variants using Datapacks. If you want to add unique images, you'll also need a Resourcepack tho

What Triggers Captchas ?

Spoiler
  • Joining a World
  • Respawning
  • Opening a Loot Chest that hasn't been opened before
  • Mining Ores (chance based on Rarity of the Ore)
  • Validation Expiration (if enabled)

Other info

  • I largely made this in a week as a joke, so it wasn't very thuroughly tested. There may be bugs; please report Issues on github
  • uuh;, have a nice day

Available Versions

Evil Captcha 1.1.2release
MC 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4fabric
January 6, 2025
Evil Captcha 1.1.1release
MC 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4fabric
December 19, 2024
Evil Captcha 1.1.0release
MC 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4fabric
December 17, 2024
Evil Captcha 1.0.0release
MC 1.21, 1.21.1fabric
September 11, 2024

How to Install Evil Captcha on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.4).

3

Install Mod

Open the mod browser in the dashboard and search for "Evil Captcha". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.4, 1.21.3, 1.21.2 (+2 more)

Server-side

Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Evil Captcha server crashes on startup – what to do?

Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.4). You can switch loaders with one click in the panel.

Is Evil Captcha compatible with fabric?

Evil Captcha officially supports fabric for Minecraft 1.21.4, 1.21.3, 1.21.2. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Evil Captcha – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Evil Captcha consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.

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Details

License
MIT License
Server-side
Unsupported

Supported Versions

1.21.41.21.31.21.21.21.11.21