Train Skills
Level combat, mining, foraging, fishing, alchemy, blacksmithing, cooking, trading, and more through active play and idle progress.
Free browser idle RPG
Oops, Another World!
You were not chosen by prophecy. A god made an accidental mistake, gave you a second life, and left behind a suspiciously powerful progression system.
Play nowWhat It Is
Oops, Another World! is a free browser idle RPG about accidental isekai progression. It runs in your web browser and focuses on short decisions, long-term growth, and a world that keeps moving while your character trains.
Create a character, pick a class and an overpowered skill, then build your way through combat, gathering, crafting, quests, bosses, and strange divine errors.
Craft And Prepare
Gather materials, brew potions, cook food, forge gear, upgrade equipment, and set up your character for longer dungeon runs.
Fight Bosses
Battle monsters and dungeon bosses with melee, magic, holy magic, or archery while improving your build over time.
Join The World
Use cloud saves, compete on leaderboards, chat with other players, and help defeat shared world event bosses.
Why It Exists
The game comes from a love of watching isekai anime and wanting to scratch that very specific itch: a strange second life, a broken divine system, and the quiet joy of seeing a character grow one small action at a time.
It is also something I could only realistically build with the help of AI. That turned a game idea I would normally have left in my head into a playable world with systems, story hooks, and room to keep expanding.
If you like browser RPGs, idle games, crafting loops, dungeon progression, and a little weird story texture, this is the second life nobody meant to approve.