ModsAfterbeat (Project Arrhythmia)
Afterbeat (Project Arrhythmia) 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.
3,389 mods, most downloaded first · newest update 27 Oct 2026
- Drop Itby Jolly JackSong Title: Drop It Song Artist: Justin Klyvis - Level Creator: Jolly Jack Level Difficulty: Normal Level Description: Focused on the gameplay this time, hopefully it's enjoyable to play!1.9k downloadsupdated 7 y ago
- Crystallizeby dragonw1414Song Title: Crystallize Song Artist: Creo - Level Creator: dragonw1414 Level Difficulty: Hard Level Description: Void Untold Part 6 Wave enters the final form of corruption, becoming Crystallized!1.9k downloadsupdated 6 y ago
- Neo Tokyoby Taikeb0Song Title: /Neo Tokyo\ Song Artist: Minotics - Level Creator: Taikeb0 Level Difficulty: Normal Level Description: The best place to hide something is in plain sight. (Best viewed on dev branch of the game)1.9k downloadsupdated 6 y ago
- Deadlockedby LinkyopDeadlocked By F-777 Level By: Linkyop Difficulty: Expert+ Normal branch recommended. Description And here we go! JS&B Deadlocked Hardcore was hard? Pff, good luck with this "Ultra Hardcore Mode" with full track (and some easter eggs)!1.9k downloadsupdated 6 y ago
- Nock EMby RedlixHDNock EM By BOSSFIGHT Level By: RedlixHD Difficulty: Normal Description remade of my old level (minigame) in GD also I made this in 3 days, wow well... hope u like it! :>1.9k downloadsupdated 5 y ago
- Electroman Adventures v2by 76561198361164419Electroman Adventures v2 By Waterflame Level By: DXL44 Difficulty: Basic Description Remake of Galactica's "Electroman Adventures" level (which was part 2 of Corruption)! Battle against Zapp, the Expert Electrician, who's been told to fight you by Cookiez.1.9k downloadsupdated 2 mo ago
- Harbinger of Fireby u1traorangeHarbinger of Fire By u1traorange Level By: u1traorange Difficulty: Expert+ Description Born in a lake of fire, come forth and set the sky ablaze. Feel the heat but do not burn, sink to the depths but do not drown. Song available on my bandcamp.1.8k downloadsupdated 3 y ago
- Marblby 76561198413239992Marbl By Schtiffles Level By: enchart Difficulty: Advanced Description The fun is over, the real mission begins. The second square element is very powerful and uncontrollable, but you must catch it.1.8k downloadsupdated 6 mo ago
- Paper Dollsby LinkyopYou need to be on development branch of the game to be able to play this level! 1. Right click on Project Arrhythmia on your games list, then click "Properties". 2. Click the "Betas" tab. 3. Open the list and click "development - Snapshot Builds (expect bugs)". 4. Steam will start downloading dev...1.8k downloadsupdated 7 y ago
- Nebulaby 76561199010138796Nebula By jjoon Level By: TerraXp Difficulty: Normal Description You and Drea were leaving the prison, but something started attacking both of you. Due to confusion and deep fog, you ended up lost... Thanks to Sherbet for the amazing thumbnail!1.8k downloadsupdated 5 y ago
- Hold Onby SubnautixHold On By Teminite Level By: Subnautix Difficulty: Advanced Description |Spirit Mountain 6/10| This level was meant to be played on the alpha branch. Lagunn and Hal continue their crusade through the rubble littering their route. The air is tense: if anything happens, will Lagunn be able to hold...1.8k downloadsupdated 19 mo ago
- Coreby 76561198994243375Core By zef Level By: koisen7 Difficulty: Hard Description Elly asks you to reach the Core and cure the pink corruption!1.8k downloadsupdated 6 y ago
- Level Twoby dragonw1414Level Two By DJ Striden Level By: dragonw1414 Difficulty: Normal Description Made for the JSAB Collection! Theme: Electricity1.8k downloadsupdated 6 y ago
- New Game Plusby CoffeeDogReelsSong Title: New Game Plus Song Artist: Schtiffles - Level Creator: Coffee Dog Reels Level Difficulty: Expert Level Description: A cave with an entity within... Enjoy!1.8k downloadsupdated 7 y ago
- Monsterby 76561198928799405Monster By Teminite, PsoGnar & Chime Level By: nukegameplay Difficulty: Hard Description Finally, after 1,5 months, I managed to finish this. Quad, the main antagonist of this story, tries to take over Spacer. His only hope are his friends, and one of them just ran away... Level 4/12 of Cosmic. V...1.8k downloadsupdated 6 y ago
- Vitalityby ColdAuroraVitality By Mittsies Level By: ColdAurora Difficulty: Hard Description Aurum Vault [0] Thumbnail by axowotl After receiving a letter from a curious scientist, you're tested for your skill to prove yourself worthy of accompanying her in a tough mission.1.8k downloadsupdated 5 y ago
- Long Live The New Freshby birb gamingSong Title: Long Live The New Fresh Song Artist: Danimal Cannon - Cannon Level Creator: Brent P Level Difficulty: Hard Level Description: I hate this level with a burning passion. I'll have much better levels coming out :)1.8k downloadsupdated 7 y ago
- The Wario Apparitionby 76561198973174123The Wario Apparition By satan himself Level By: ol666 Difficulty: Easy Description Every copy of Project Arrhythmia is personalized. thank you technado for the awesome thumbnail!1.8k downloadsupdated 6 y ago
- Subvertby 76561198361164419Subvert By Geoplex Level By: DXL44 Difficulty: Moderate Description A blast from the past rematch with a classic boss! Thank you chettodust for the thumbnail :D1.8k downloadsupdated 7 mo ago
- Sleep Cannonby MegaConfusedSong Title: Sleep Cannon Song Artist: Nokae - Level Creator: MegaDBow Level Difficulty: Expert Level Description: Classic style level, half easy, half boss. Theoretically possible to no-dash. I don't know for sure though, I can't beat this level1.8k downloadsupdated 7 y ago
- Crystalsby LinkyopSong Title: Crystals Song Artist: Shirobon - Level Creator: Linkyop Level Difficulty: Hard Level Description: This music would be matching with Just Shapes & Beats so much... So here we go! Another JS&B'ish level! Hafe fun!1.8k downloadsupdated 7 y ago
- Come With Meby Jolly JackSong Title: Come With Me Song Artist: Kestutis K - Level Creator: Jolly Jack Level Difficulty: Easy Level Description: My first uploaded level in PA! I hope you'll enjoy it!1.8k downloadsupdated 7 y ago
- Groovy Towerby lumbud84Song Title: Groovy Tower Song Artist: Waterflame - Level Creator: Lumbud84 Level Difficulty: Hard Level Description: My Round 1 entry for the Project Arrhythmia Creator Tournament! My group's prompt was to have the level constantly move, and I think I delivered on that quite well ;> Watch the lev...1.8k downloadsupdated 7 y ago
- Firewallby dragonw1414Song Title: Firewall Song Artist: Boom Kitty - Level Creator: dragonw1414 Level Difficulty: Hard Level Description: The Hodgepodged Erratic Attack Prototype (H.E.A.P) has been sent for your destruction! Can you survive its different forms?1.8k downloadsupdated 7 y ago
- Necessity Techby 76561199080865708Necessity Tech By BVSSIC Level By: MRSHL Difficulty: Advanced Description My first level! Please play in Alpha, there's a few minor custom shape bugs :31.8k downloadsupdated 19 mo ago
- Earthquakeby 76561198413239992Earthquake By Teminite Level By: enchart Difficulty: Expert Description Every story has it's own beginning, and this one is not an exception... (Thanks DXL44 for the thumbnail!)1.7k downloadsupdated 6 mo ago
- Aleph Zeroby 76561198839252995Song Title: Aleph Zero Song Artist: LeaF - Level Creator: TheTNTBlower77 Level Difficulty: hardest level in the game Obviously all rhythm games have this song so I took the challenge Warning: Ultra hard!!!1.7k downloadsupdated 8 y ago
- Challengerby 76561199406829329Challenger By Creo Level By: Deli Difficulty: Moderate Description ={Alright, player. We're here at Xeno's lair! Let's see if your skills can put up a good challenge!}=1.7k downloadsupdated 2 y ago
- Wait of the Worldby 76561198358816151Wait of the World By Heaven Pierce Her & KEYGEN CHURCH Level By: FireEnderBoy Difficulty: Expert Description This was a Sisyphean task, but I DID IT!!!! I love ULTRAKILL DESTRUCTIVE Thumbnail by nukegameplay Stay vigilant, and most importantly... h a v e f u n !1.7k downloadsupdated 12 mo ago
- Jupiterby 76561199106129345Jupiter By The Eden Project Level By: oneleaf Difficulty: Basic Description sometimes, change comes when you arent ready. thumbnail by nukegameplay1.7k downloadsupdated 11 mo ago
- Battle of the Bitsby 76561198361164419Battle of the Bits By lchavasse Level By: DXL44 Difficulty: Normal Description For Khedudcem's JSAB Level Collection. The theme was "autoscroller". honestly its a really simple level but i wanted to finish it and keep it somewhat simple1.7k downloadsupdated 6 y ago
- Termination Shockby LinkyopTermination Shock By Sabrepulse Level By: Linkyop Difficulty: Expert+ Description The most hated level in JS&B in "Ultra Hardcore Mode"? Why not? Although seeing that the original Hardcore is easier than the Normal version... I would call it "Fixed Hardcore Mode" this time.1.7k downloadsupdated 6 y ago
- Goldfinchby millie.jpegGoldfinch By Chime Level By: noodlekin Difficulty: Expert Description At the palace, Wiccan has been waiting for the Emissary. The mage has ideations of retribution, and you are caught in the crossfire of his rage. (Thank you chettodust for the thumbnail!) (Level also features SBtorms!)1.7k downloadsupdated 4 y ago
- Minesweeperby 76561198328494512Minesweeper By WaxTerk Level By: OxaLithium Difficulty: Expert Description Thumbnail by Kitsumizu! - MAJOR FLASHING LIGHTS -1.7k downloadsupdated 3 y ago
- Impact of TY-77by 76561198361164419Impact of TY-77 By Shirobon Level By: DXL44 Difficulty: Advanced Description The Synthwave Trials - Level 3/3. Things get interesting.1.7k downloadsupdated 6 mo ago
- Overworldby LinkyopYou need to be on development branch of the game to be able to play this level! 1. Right click on Project Arrhythmia on your games list, then click "Properties". 2. Click the "Betas" tab. 3. Open the list and click "development - Snapshot Builds (expect bugs)". 4. Steam will start downloading dev...1.7k downloadsupdated 7 y ago
- Dissolveby 76561198349691837Dissolve By ELEPS Level By: MotionIII Difficulty: Expert Description After installing the Experiment Viewer, you're ready to try out your first Experiment! It looks like this one involves some kind of color-coded attacks...1.7k downloadsupdated 6 mo ago
- Carol of the Bellsby maxmegazordSong Title: Carol of the Bells Song Artist: The Living Tombstone - Living Tombstone.newgrounds.com/ Level Creator: maxmegazord Level Difficulty: Hard Level Description: My last level of the year. Hope you have a merry merry Christmas and a Happy New Year!! •w• (yes, I said "merry" twice on purpos...1.7k downloadsupdated 5 y ago
- Hold onby 76561198989620864Hold on By Teminite Level By: JuanchitoXD Difficulty: Hard Description (Rhythmic World part 6) Someone wants to take control of Pandex's body... but why? is he bad or good? What are the real plans of Pandex?1.7k downloadsupdated 4 y ago
- State of mindby 76561198989620864State of mind By Teminite Level By: JuanchitoXD Difficulty: Expert Description Rhythmic World part 5... Pandex has merged with the crystal, but it seems that something is wrong... He can't control his powers...1.7k downloadsupdated 4 y ago
- Peer Gyntby dragonw1414Song Title: Peer Gynt Song Artist: cYsmix - Level Creator: dragonw1414 Level Difficulty: Normal Level Description: My first level, hope you enjoy! A fight against Wave takes a turn when an unknown force appears...1.7k downloadsupdated 6 y ago
- Pier Gin Tonicby ÜmbraSong Title: Pier Gin Tonic Song Artist: cYsmix - Level Creator: Umbra Level Difficulty: Expert Level Description: An unexpected face-off with Cameli, the Prism Demon! (Thank you Lockdrop for the thumbnail!)1.7k downloadsupdated 6 y ago
- Holy Warby 76561198413239992Song Title: Holy War Song Artist: Boom Kitty - Level Creator: enchart & Miv2nir Level Difficulty: Expert Level Description: A new hardcore level by enchart and Miv2nir, enjoy!1.7k downloadsupdated 6 y ago
- Goldfinchby LuminescenceGoldfinch By Chime Level By: Luminescence & AxleThat1Fox Difficulty: Normal Description (awesome thumbnail by nukegameplay!) Turns out the Monarch of Skyward City has already been expecting you! What are his plans, exactly?1.7k downloadsupdated 3 y ago
- Battle of the Bitsby daneekoSong Title: Battle of the Bits Song Artist: Lchavasse - Level Creator: daneeko Level Difficulty: Expert Level Description: battle of the bits (real) Next level coming... when SVG custom objects become a feature.1.7k downloadsupdated 7 y ago
- Factory Town (Mutant)by RedlixHDFactory Town (Mutant) By Teminite & evilwave Level By: RedlixHD Difficulty: Expert Description My first pa level, hope u enjoy! :D1.7k downloadsupdated 5 y ago
- They Are Many Colorsby 76561198871463455They Are Many Colors By Frums Level By: LockDrop Difficulty: Expert Description Cinematic cutscenes are cool1.7k downloadsupdated 6 y ago
- From Atoms To Pixelsby LuminescenceFrom Atoms To Pixels By Chime (ft Sekai) Level By: Luminescence Difficulty: Hard Description He heard the call, and is willing to give up his human life to follow his dreams. (awesome thumbnail by chettodust!)1.7k downloadsupdated 3 y ago
3.4k 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.