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
- Exosphereby 76561198801093958exosphere By creo Level By: darkbrine 101 Difficulty: Normal Description (read desc on steam) yet another normal level level 5/?? doomsday awakening LORE: after beating the perfect machine, the bridge is rebuilt by a small cyan crystal, one of the few signs of what this world was. cyan follows th...140 downloadsupdated 6 y ago
- FM Synthesis ExperimentFM Synthesis Experiment By Camellia Level By: leucophae Difficulty: Master Description You should really get a safer job. This level features lots of randomization. Consider playing it again to see new variants :>140 downloadsupdated 11 d ago
- Sp0M0kyby 76561198867575773Song Title: Sp0M0ky Song Artist: Garlagan - Level Creator: Artox Level Difficulty: Hard Level Description: Y'all said my levels are easy, so now this exists >:D139 downloadsupdated 7 y ago
- gonna make this nowby 76561199013316105Song Title: P.U.R.P.L.E Song Artist: Artist - Level Creator: jfrostov Level Difficulty: Easy Level Description: my first level. i think its pretty good although i think i used a little to mutch C O P Y AND P A S T E139 downloadsupdated 7 y ago
- Feralby 76561198867568019Feral By meganeko Level By: Dinosore Difficulty: Expert Description The time capsule has gone off into space, and it's more unstable than ever! Can you keep up?139 downloadsupdated 5 y ago
- The Nowo Apparitionby birb gamingSong Title: The Nowo Apparition Song Artist: hahahaa Nowo go brrr - Level Creator: Brent The Tiel Level Difficulty: Expert+ Level Description: Nowo shows us fun139 downloadsupdated 6 y ago
- X Busterby Weeble_Wobble_03X Buster By MDK Level By: Nabeel01 GCG Difficulty: Hard Description This level was made for a PA event me and Siecelesness hosted, called Songswap! Enjoy!139 downloadsupdated 5 y ago
- wingby Terrorwing By frums Level By: Siecelesness Difficulty: Hard Description After a tiring fight with Antara Core with their heat of bringing the sun over, the sun finally gives in as you ascend higher. <b>Divine Wrath 2/5.</b>139 downloadsupdated 3 y ago
- Space Invadersby 76561199100876916Space Invaders By Teminite X MDK Level By: ZS Steph Difficulty: Master Description When Spectra Gets UNcorrupted, Hex Gets SPACE INVADERS to kill you and spectra, but there will be some one coming to save you...139 downloadsupdated 6 y ago
- Spiderby CozmSong Title: Spider Song Artist: Teminite - Level Creator: Cozmos Level Difficulty: Hard Level Description: You go the factory Hex was talking about, but you end up facing off with a mechanichal robot named spider!139 downloadsupdated 7 y ago
- Challengerby 76561198990004281Challenger By Creo Level By: Dani 7w7 Difficulty: Hard Description This is my first level created for you! :D have fun!!!139 downloadsupdated 6 y ago
- youve been trolledby DanielisGameryouve been trolled By AntonyC Level By: danielisgamer Difficulty: Normal Description my first level! hope you enjoy!139 downloadsupdated 6 y ago
- Scourge of the Former Seas (8-Bit Mix)by 76561199204968317Scourge of the Former Seas (8-Bit Mix) By DM DOKURO Level By: HattedFool Difficulty: Advanced Description Made for the 2025.2 contest! Thumbnail by Cherry139 downloadsupdated 16 mo ago
- The 3 birdsThe 3 birds By - Level By: KarasuTori Difficulty: Expert Description I am using Stay Inside Me by OcularNebula to replace Send you off by Tillybirds due to a Copyright label stuff.139 downloadsupdated 2 mo ago
- Graniteby 76561198414803767Granite By Artist Level By: Arrhy Difficulty: Normal Description An old factory filled with toxic acid somehow still has functioning security, and will gladly force you out.138 downloadsupdated 4 y ago
- rukkus drop 2 test levelby 76561198799662900Song Title: rukkus Song Artist: dirtypaws - Level Creator: tristantdm41 Level Difficulty: Expert Level Description: so, uhh... i guess this is another test level, so... play it i guess? thats why youre here right? edit: version 3 updated the boss so it isnt so bland edit: version 4 fixes ending s...138 downloadsupdated 7 y ago
- Drowned (Hardcore)by 76561198848648853Song Title: The lady who drowned in caramel (Hardcore) Song Artist: Koraii - Level Creator: dan500gmp Level Difficulty: Expert+ Level Description: This is a level with a white/black scheme that I made. I hope you enjoy it. THis version is harder than the normal one.138 downloadsupdated 7 y ago
- Space invedersby 76561198878806157Space inveders By MDK & Teminite Level By: Lexay Difficulty: Normal Description Good level138 downloadsupdated 4 y ago
- Exhilarationby 76561198880740551Song Title: Exhilaration Song Artist: ChordsBoy - Level Creator: zergspider Level Difficulty: Expert Level Description: level 2/10 Boss: Hexstar V138 downloadsupdated 7 y ago
- Skystrikeby 76561199209000322Skystrike By Hinkik Level By: FerrDaGwin Difficulty: Moderate Description (Sweet Revenge: Part 4/7) After going through the portal to the living, 8,347 ends up in a city, and gets attacked by birds looking for Phil's house.138 downloadsupdated 2 y ago
- Mayhemby CozmSong Title: Mayhem Song Artist: Teminite & whales - Level Creator: Cozmos Level Difficulty: Hard Level Description: May attacks, but when she gets tired, something strange happens... i actually made this level before any onther mayhem level came out, at least i made it before the collab, and i ma...138 downloadsupdated 7 y ago
- SonderSonder By Shirobon Level By: Master Lumo Difficulty: Advanced Description Huge thanks to Shirobon for giving me permission to upload this despite recent changes and thanks to Minterfly for making the thumbnail.138 downloadsupdated 3 mo ago
- powersound remadeby 76561199041834429powersound remade By Eleps Level By: Bruh Difficulty: Expert Description level has been remade song:137 downloadsupdated 5 y ago
- peer niteby 76561199050468486Song Title: peer gynt Song Artist: bandcamp - Level Creator: minenite Level Difficulty: Expert Level Description: void machine: as you try to get to nite a guard trys to stop you137 downloadsupdated 7 y ago
- Nock emby 76561199003892073Nock em By Bossfight Level By: Gamepro86 Difficulty: Advanced Description The blue and white cores become sentient and turn into Argon and Veil.137 downloadsupdated 2 y ago
- Adrenalineby 76561199209000322Adrenaline By Psognar Level By: FerrDaGwin Difficulty: Hard Description Another Just Shapes & Beats themed level because why not, I just felt like it.137 downloadsupdated 4 y ago
- bossby 76561199054711812Song Title: showdown Song Artist: creo - Level Creator: climeterr the robot 2 Level Difficulty: Hard Level Description: this is my first level it may suck edit: so i updated it and i plan on making a story :) i hope you like my level137 downloadsupdated 6 y ago
- The Lunar Whaleby kSong Title: The Lunar Whale Song Artist: Danimal Cannon - Cannon Level Creator: Sl8teR Level Difficulty: Hard Level Description: First boss level!137 downloadsupdated 7 y ago
- Nirmitiby 76561199163453423Nirmiti By Xtrullor Level By: SocietalMaple12 Difficulty: Advanced Description I had to make this in less than 5 days for a science project THANK YOU ONELEAF YOUR BOMB PREFAB SAVED ME.137 downloadsupdated 23 mo ago
- Colbreakz - 50,000by 76561199196038367Colbreakz - 50,000 By Colbreakz Level By: asyabx Difficulty: Hard Description epok137 downloadsupdated 4 y ago
- water 2by 76561198879669049water 2 By Drayx, Teminite, and ft. Level By: TheLordOfPorgs Difficulty: Expert Description water137 downloadsupdated 4 y ago
- chipzel - art of warby 76561198862784966chipzel - art of war By Art Of War Level By: Jammy Mc'Jamster Difficulty: Hard Description song of creatio-episode 1 The evil creatorus has released himself from his water prison and is here to attack you. your ancestors trapped him there and wants revenge on you. this is a remake of my first eve...137 downloadsupdated 6 y ago
- Fractureby 76561199080523286Fracture By Rukkus/Nightkilla Level By: _Negative_zero_ Difficulty: Hard Description You wake up in a strange room when it then suddenly comes to life! Thanks to _Negative_Zero_ for the awesome thumbnail!137 downloadsupdated 5 y ago
- Do It All Differentlyby 76561198862278587DO NOT PLAY THIS LEVEL ON THE NEW ALPHA BRANCH AS IT MIGHT BE UNSIGHTABLE PLAY ON EITHER THE MAIN BRANCH OR LEGACY BRANCH Do It All Differently By Vylet Pony Level By: ArcticWoof Difficulty: Advanced Description I want to show you something special just for you. (This is my second level so yeah i...137 downloadsupdated 3 y ago
- Igniteby 76561199028052406Ignite By heuse & tom wilson Level By: Epic9onyt Difficulty: Easy Description My first level! its pretty bad but yeah.136 downloadsupdated 6 y ago
- Surface Tensionby Weeble_Wobble_03Surface Tension By Teminite & PsoGnar Level By: Nabeel01 GCG Difficulty: Easy Description A nanobot was traveling through a simulation, while a virus stops its way... (1/6)136 downloadsupdated 5 y ago
- WomboComboby flipgamer134Song Title: Wombo Combo!(Original Mix) Song Artist: joarZ - No Link (encourage level creator to add one) Level Creator: maxgamer134 Level Difficulty: Expert+ Level Description: Welcome to my first level! I hope you like it!136 downloadsupdated 7 y ago
- uprisingby titanium motoruprising By teminite Level By: Digit Difficulty: Hard Description this cyborg type character named digit is ready to lock on, target and termanate anyone if ordered to do so. armed with cannons and miniguns, digit is ready to take you down! credit to teminite for the amazing song!136 downloadsupdated 6 y ago
- True Fireby RhragnarokTrue Fire By Elleps Level By: Axo Difficulty: Expert Description Demons arise part 3, my 3rd level, you and Veir get washed up on shore, and have to fight through a storm imedietly after...136 downloadsupdated 5 y ago
- Synergyby 76561199088465180Synergy By Zoftle & Vixage Level By: CubeCube Difficulty: Advanced Description Part of the 2025.1 Contest Level: Fan Levels This is a fan level of Aratonati level Circus This is my second time making a Boss level and I'm pretty proud of how it came out136 downloadsupdated 20 mo ago
- Goldfinchby 76561199220174314Goldfinch By Chime Level By: The2Ha Difficulty: Hard Description 2nd episode of "Lost by Nanos" Remake of "Overwhelmed" This level was a ton of fun to remake ^^ P.S. Keep in mind as this is a remake so many events can be different from the original :)136 downloadsupdated 4 y ago
- unlockedby 76561199152829248unlocked By Plesco Level By: Hyunus Difficulty: Expert Description jsab fanmade boss battle136 downloadsupdated 4 y ago
- Challengerby 76561199480766070Challenger By Creo Level By: Temp_Otherworld Difficulty: Moderate Description A colorful display of musical combat coming to a broadway near you. Watch Nano dance with our stars Prisma, El Maestro Piano and some special guests!!136 downloadsupdated 10 mo ago
- C0RrUPT3Dby 76561198351200173Song Title: C0RrUpT3D M3T3D3T3 Song Artist: Corrupted - Level Creator: iMarko Level Difficulty: Expert Level Description: WH3T lS Y0UR F3V0RlT3 C0RrUpTl0N? L3V3l M3De by lM3rk0 (Warning: annoying parts)135 downloadsupdated 7 y ago
- Duneby FlammingFoxDune By Creo Level By: FlammingFox Difficulty: Advanced Description As you were exploring the desert you come across a labyrinth, thats when someone appers infront of you talking about the god Apaps plans and it's your job to stop him (thumbnail by altair)135 downloadsupdated 20 mo ago
- Into the... wait what?by 76561199066008339Into the... wait what? By Heaven Pierce Her Level By: faceik Difficulty: Basic Description Normal Version:135 downloadsupdated 2 y ago
- moonlightby 76561199699981366moonlight By geoxor Level By: Lukas Alvarado Difficulty: Master Description would it be nice to fight my old persona well there you have it <color=#5fd7ff>(part 1 of chaos eternal)135 downloadsupdated 10 mo ago
- Exosphereby CalicocatExosphere By Creo Level By: Calicocat Difficulty: Expert Description [2023.3 contest entry] Thanks Radioactiwy for the thumbnail. Lost in deep space, Nano engages in a fight for dear life with 0RB17, the remains of a dyson sphere, because what better embodies the concept of "Void" than a black hole!135 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.