Free games like Duper
Below are 8 free-to-play Steam games similar to Duper, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Duper page.
Ranked picks
- 1
Counter-Strike:Global Offensive
Free-to-play alternative to Duper — no purchase or trial window.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
- 2
Outpath: First Journey
Free-to-play alternative to Duper — no purchase or trial window.
Outpath: First Journey is a prologue chapter of the main game, Outpath. An experimental clicker base building game. Craft, gather & manage resources, build your base and buy more islands to exploit and expand!
- 3
Die in the Dungeon: Origins
Free-to-play alternative to Duper — no purchase or trial window. Shares Strategy with Duper.
Fight your way through a mysterious dungeon in this deck-building, turn-based roguelike game where you don't use cards, but DICE! Deal with enemies by combining dice on your board, boost their effects with magical relics, and discover the story behind Die in the Dungeon!
- 4
Jigsaw Puzzle Dreams
Free-to-play alternative to Duper — no purchase or trial window.
Beautiful Multiplayer Jigsaw Puzzle game where you can design the room you play in!
- 5
Shape of Dreams: Prologue
Free-to-play alternative to Duper — no purchase or trial window.
《Shape of Dreams: Prologue》is a unique game that blends action roguelite with MOBA-style gameplay. Edit your character's Memories to create your own champion. Face all challenges alone or play with friends in up to 4-player co-op.
- 6
Counter-Strike 2
Free-to-play alternative to Duper — no purchase or trial window.
For over two decades, Counter-Strike has offered an elite competitive experience, one shaped by millions of players from across the globe. And now the next chapter in the CS story is about to begin. This is Counter-Strike 2.
- 7
Dota 2
Free-to-play alternative to Duper — no purchase or trial window. Shares Strategy with Duper.
Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has taken on a life of its own.
- 8
Tom Clancy's Rainbow Six Siege
Free-to-play alternative to Duper — no purchase or trial window.
Rainbow Six® Siege is the reference in tactical team shooters, where elite strategy and execution triumph. Enjoy free access to Quick Match, Unranked, and Dual Front game modes with a selection of operators.