Mods / Bosses

• MMegaMan Battle Network (Custom Zone)by SunrealThis mod requires More Powerful Lua to run!!! Two new zones for OSFE! It features 4 new bosses, MetalMan, HeatMan WoodMan, Bass. It also has 5 new enemies, Mettaur, ZapAce, Boomer, WindBox, Nightmare, Shruby and Swordy! Learn how to make your own here! This is my most quality mod by far, I hope y...5.5k downloadsupdated 6 y ago
• SScarlet Devil Mansion (Custom Zone)by SunrealOne Step From Eden's first modded zone! Features Two bosses, two new enemies, two playable characters. I sorta got lazy towards the end, but I hope you enjoy! Interested in modding? Check out my website. Also join the OSFE discord for help!2.9k downloadsupdated 6 y ago
• VVoyage ✦by 76561199055024673Voyage - Ad Astra Even beyond that of Magic, the heavens are something humanity strives towards. those stars were the source of dreams, of wishes, and ideals. Once the fall happened, the world turned inwards, and that interest in the heavens, the Cosmos, faded away. Now, staring up at the night s...2.4k downloadsupdated 4 mo ago
• TThe Tile Palaceby ZiuA place where Eden's wisest do battle not with their weapons, but with their minds. This mod adds a new zone, The Tile Palace, to OSFE. It's complete with unique enemies, enemy scaling, a dark world, and a new boss - the most unique boss the game has ever seen. Credits to those in the modding dis...1.3k downloadsupdated 5 y ago
• BBoss Rush to Edenby ZiuA simple Boss Rush mode I made for my own entertainment and decided to go ahead and make public. Function: - You will automatically skip all zones that are not Bosses or Shops (the first world shop is skipped intentionally) - You gain an additional 200 Sera each time you defeat a boss Caveats: -...899 downloadsupdated 6 y ago
• DDMCrew - Circus Zoneby Knight of RoundYou are Cordially Invited!~ Come one, Come all, to the Dark Circus, Where Dreams come true, and Nightmares too! Asmodai, the Master of Ceremonies and the Clover Witch Beatrix have joined forces amidst the apocalypse, and have found a land of Joy and Excitement, Terror and Curiosity. ---- Importan...728 downloadsupdated 7 mo ago
• WWitch-Hunter Di. - Boss Versionby Mad EngineerWitch-Hunter Di is on the hunt! This boss is fast but fragile, with plenty of moves to lock you down before going in for the kill. She fights in the Wasteland, and is ready stop you on your journey to Eden, using her dimension-hopping powers to bring enemies from dangerous places! A boss version...678 downloadsupdated 5 y ago
• BBoss Execution - Finish them in their own fashion!by Michiru- Introduction - This mod makes you able to execute your enemies after you win the boss fight, in the same iconic ways with which they execute you after you lose. - How it works - After you win a boss fight, your deck will be emptied and you will be given an "Execution Spell". Using it will play...600 downloadsupdated 19 mo ago
• DDMCrew - Sakura Zoneby Knight of RoundA Festival of Light awaits you. Welcome to the remnants of the Sakura Garden. The blossoms are in bloom, the streets are rife with… monsters, apparently. Fate itself weaves as the Phoenixborn presides as a guard. and Cat has a posse of admirers that she can’t stand being stuck around. ---- Import...598 downloadsupdated 9 mo ago
• PPriestess Hazel (Boss)by SunrealFight priestess Hazel581 downloadsupdated 6 y ago
• NNew Zone - Eden's Greatest Hitsby greezygoose-----REQUIRES MORE LUA POWER----- Adds a zone to your runs that combines enemies from all of the other zones to create new hallway fight scenarios. Features a new boss that uses your favourite attack. Battle music: Drawing Dead - MMBN Remix by STEEL_PLUS Idle music: Esbjörn Svensson Trio - I Mean...485 downloadsupdated 6 y ago
• TThe Catalystby 76561199055024673You've stumbled upon a dungeon looking vault door in the middle of no where. It has no room or walls on either side. Opening this door reveals a vault filled with Sera, artifacts and abandoned spells. Or are these just the belongings of the people who attempted before you? What lies at the end is...483 downloadsupdated 6 mo ago
• DDreadwyrm Boss (Custom Zone)by SunrealAnother boss added to OSFE! This one has been on my computer for quite some time. Enjoy!! Also check out Maiden and Spell! This game is sick.383 downloadsupdated 3 y ago
• CCyberneticReva (BossBattle)by SunrealAdds a new boss battle to OSFE!380 downloadsupdated 3 y ago
• CCaramel Cavernsby 76561199055024673Saffron's gone wondering around looking for hazel after she ran off. She found herself getting lost in some area between the ruins and arctic. It seems to be some sort of mining operation and although the sign said "No Entry - Private Property", you decide to trespass anyways. - Meet Caramel, bos...336 downloadsupdated 6 mo ago
• GGarden of Statuesby 76561199055024673"A garden of secrets. A garden of silence. Most importantly, ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀a Garden of Statues" Welcome, to the Statue Garden You have chosen a path of destruction, yet, there is still good somewhere in your heart. You are not ready for the power you wish to hold. Th...297 downloadsupdated 6 mo ago
• TTerraform | World Managerby 76561199055024673Based on World Limiter by DecoyDoge Introducing Terraform Equipped with many of your world managing needs World Limiting The main feature of Decoy's original mod. Open up the Mods settings panel in the game's settings and change the number to your preferred zone amount. As long as you have enough...288 downloadsupdated 3 y ago
• SStrange Worldby BiscuitSlashA mysterious portal has opened to a bizarre world with various unique threats. Dare you brave this Strange New World? This mod includes: -1 new zone to traverse in your journey. -6 new creatures to encounter in the above. -3 unique minibosses to fight. -A new boss, with varying extents to their t...252 downloadsupdated 15 mo ago
• SSuper Boss Saffronby nrookBored of the same old Saffron boss fight? Blackout and Kinetic Wave got you down? Then try out Super Boss Saffron, a mod which adds a number of new spells to Saffron's deck at higher difficulty levels. This mod makes a few extra spells legal for Saffron always, but the meat of the changes happen...211 downloadsupdated 7 y ago
• TThe Managroveby 76561199055024673"Real magic is when a butterfly conjures a storm which decimates a jungle." An elf scholar once said that to me in my travels. It couldn't be anything be anything but fate that I'm currently looking for a single butterfly in this entire jungle. - Willow Journey through the Managrove - a mana rich...210 downloadsupdated 8 mo ago
• DDoE SK Backportby Knight of RoundBackports Shopkeeper of DoE to Shopkeeper of OSFE. Functional as a custom skin If without More Lua Power, but, when included, will allow Boss Shopkeeper and Assist Shopkeeper to copy the visual styles themselves184 downloadsupdated 4 mo ago
• DDMCrew - Desert Zoneby Knight of RoundThe Sun Bears down, Judgement awaits. Your eyes strain as the zone ahead feels endless. Dunes of tawny sand stretch on for miles, and you can only wonder if the dangers of the apocalypse have succumbed in turn. Impossible weathers weather the plains, while a guardian trains her monsters in peace....167 downloadsupdated 7 mo ago
• OOoerZone (Bosstto)by 76561198370595010rat update for an entirely rat based experience (thank miru for help with rat) botto and wintermute will hand you a rat and throw diags at you in this this mod is incompatible with Playable Botto, but that's okay i'm not updatign that one anymore. this is the botto experience Playable botto: Musi...161 downloadsupdated 4 y ago
• AAssault Lily stageMODby 76561198422094593Assault Lily-themed stage mod. A variety of deformed monsters confront the player in a devastated city.129 downloadsupdated 19 mo ago

24 bosses 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.