ModsHappy Room
Happy Room mods
A mod changes the game itself. It needs something to load it, it may need other mods first, and it only works on the versions its author built it for.
514 mods, most downloaded first · newest update 26 Feb 2026
- 9482 off with his head complete!by 76561198859584339this is the room to get the "off with his head!" challenge that I thought was super hard to get because the head has so much health P.S: the 9482 is the number of damage99 downloadsupdated 7 y ago
- crossbowalityby cichy_matiit s making crossbowality without 2x time in a few tries99 downloadsupdated 7 y ago
- Acupuntureby lololololAcupuncture? Yes Please!98 downloadsupdated 9 y ago
- Cube-ality!by Meth addicted ballerinaKeep trying and eventually you'll kill the dummy with the cube98 downloadsupdated 9 y ago
- REEEEEEEEEEEEEEEEEEEEEby william_shark2010yeet the clone with this97 downloadsupdated 6 y ago
- guillotinalityby Undertaker39Prepare for Metal! \m/97 downloadsupdated 8 y ago
- Jumparoundby SlinkymanQuick mine fatality room, add anything you can to speed up the process.96 downloadsupdated 8 y ago
- completionby Jayjust leave the game for a while and then you will unlock sand box... you can also complete sandbox with this level96 downloadsupdated 10 y ago
- Get Every Item Fastby JadeGet Every Single Item Very Fast95 downloadsupdated 10 y ago
- FUNALITYby 76561199144509955It was easier than I thought... Anyway it works :D It lags on weak computers.95 downloadsupdated 5 y ago
- Acupunctureby Sigmas RegreB (𝔸𝔼)eleven spikes in a second of a ray of DOOM94 downloadsupdated 10 y ago
- skinby 76561198356396342you will have a new skin92 downloadsupdated 9 y ago
- got Shield, but make it pitchforksby 76561198914137794Hard achivment unlocked92 downloadsupdated 7 y ago
- Fatality in sandboxby 76561198370876416Fatality in sandbox90 downloadsupdated 8 y ago
- Challenge 96-Shotgunalityby • Mancogolf •if it doesn't work, try it again. challenge 96-revenge. just click on shotgunality screen90 downloadsupdated 8 y ago
- use up 9 jumpersby dymaxionxuse this if you have trouble with the use up 9 jumpers mission90 downloadsupdated 8 y ago
- Goblinalityby 7656119839596974489 downloadsupdated 8 y ago
- Spikeality ou Espinalityby EL MARQ CAPRICCIOSOtenha paciencia e dara certo, its working!88 downloadsupdated 9 y ago
- Discalityby Maximum Pinkmay get fireality88 downloadsupdated 8 y ago
- Laser Show May take a few goesby Riftt Wolfthis set up beat the laser show mission for me, may take a few goes to get it to work but that mission is stupid88 downloadsupdated 9 y ago
- Discality (Takes Really Long)by 76561198399297576Takes a while but works for super cheap87 downloadsupdated 5 y ago
- 1by 7656119907569413786 downloadsupdated 5 y ago
- ACID / LASER / FROZEN FATALITIESby 76561198866113916This room should work to kill with ice all the time, and will rarly kill with laser of acid, test it out a coupple of times and you should get all three of the achevements86 downloadsupdated 8 y ago
- Mineality Confirmedby 76561198391613695Tested and it is confirmed that you can get a mineality in this room. Warning very laggy make sure to slow it down to prevent spontaneous combustion of device.86 downloadsupdated 7 y ago
- instant winby 76561198342379285this is all you need to do to unlock the next mode86 downloadsupdated 10 y ago
- Wallalityby 7656119837087641686 downloadsupdated 8 y ago
- 15 sec on ice and gravityby 76561198802775498need the 15 sec on ice gun and gravity achivement? if yes this is the room for you!86 downloadsupdated 8 y ago
- TODO LAS CATEGORIASby 76561198426042151Me costo meter todas las armas y hacer que funcione como un sistema para que todas hagen daño, puede que en un intento no todas peguen pero con esta distribusion es muy posible. Disfruten.85 downloadsupdated 8 y ago
- glitchby 7656119837081381785 downloadsupdated 10 y ago
- Blade rocket wall frozen ALITYby 765611983389413935 ways to fatality84 downloadsupdated 9 y ago
- 지뢰지옥by 으갹갸83 downloadsupdated 10 y ago
- hay mk3by SgFlaxyHayality or springality83 downloadsupdated 8 y ago
- evighets bladealityby eyeless eeyorereally effective ''forever loop'' that you can use for damage farming early in the game83 downloadsupdated 10 y ago
- 0 times in one second with shieldby MilkThis room after some rng will get you the achievment get 20 shield hits in 1 second83 downloadsupdated 7 y ago
- springalityby Undertaker3983 downloadsupdated 8 y ago
- minealityby 7656119838945077782 downloadsupdated 6 y ago
- crossbowalityby One Armed LarryThis may take a couple of times to beat. The man can use all the teleports so he may get stuck in there after the portal cubes do not come after the man jumps in.82 downloadsupdated 9 y ago
- Infinite Money Glitchby 76561199097730472Trust My you will not fall out82 downloadsupdated 4 y ago
- Bombalityby The Last BraincellGet bombality 80% of the time on Laboratory, even after the final update.82 downloadsupdated 6 y ago
- lvl up roomby 7656119941584056381 downloadsupdated 21 mo ago
- Part to Marsby lololololKeep dummy parts on a big rocket.81 downloadsupdated 9 y ago
- 10 Seconds Magic Damageby SoulRipper199010 Seconds Magic Wand Damage81 downloadsupdated 8 y ago
- pira nhaby EL MARQ CAPRICCIOSOIt is hard, BUT is possible, piranhality :)81 downloadsupdated 10 y ago
- Gravitalityby Envy81 downloadsupdated 10 y ago
- Veggie Juiceby 76561198341205448need zombie skin.79 downloadsupdated 10 y ago
- To the Moon!by NeurOZZYTo the Moon!79 downloadsupdated 10 y ago
- Firegunalityby EnderthunderWill hopefully give the Firegunality achievement for Sandbox mode.79 downloadsupdated 8 y ago
- the end discalityby DarkMonkey21if you want ending the game use this room79 downloadsupdated 9 y ago
514 mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.