Free games like Boss Monster
Below are 8 free-to-play Steam games similar to Boss Monster, 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 Boss Monster page.
Ranked picks
- 1
Die in the Dungeon: Origins
Free-to-play alternative to Boss Monster — no purchase or trial window. Shares Strategy and Indie with Boss Monster.
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!
- 2
Dota Underlords
Free-to-play alternative to Boss Monster — no purchase or trial window. Shares Strategy and Casual with Boss Monster.
Hire a crew and destroy your rivals in this new strategy battler set in the world of Dota. Introducing Season One: Explore White Spire and earn rewards on the Battle Pass. Pick from several different game modes, play on your own or with friends, and take advantage of crossplay on PC and mobile.
- 3
KARDS - The WW2 Card Game
Free-to-play alternative to Boss Monster — no purchase or trial window. Shares Strategy and Indie with Boss Monster.
KARDS, The World War II Card Game, combines traditional CCG gameplay with innovative mechanics inspired by classic strategy games and real battlefield tactics. Take command and challenge other players in grand-scale warfare on the ground, air, or seas.
- 4
Kingdom: Classic
Free-to-play alternative to Boss Monster — no purchase or trial window. Shares Strategy and Indie with Boss Monster.
Kingdom is a 2D sidescrolling strategy/resource management hybrid with a minimalist feel wrapped in a beautiful, modern pixel art aesthetic.
- 5
GWENT: The Witcher Card Game
Free-to-play alternative to Boss Monster — no purchase or trial window. Shares Strategy with Boss Monster.
Command mighty Witcher-world heroes in epic online PvP card battles!
- 6
Mr.Mine
Free-to-play alternative to Boss Monster — no purchase or trial window. Shares Strategy and Indie with Boss Monster.
Explore the depths of the earth and uncover hidden treasures in this addictive idle mining game. Unlock the power of your drill with hundreds of upgrades, discover mysterious relics, and unearth priceless gems. Can you master the mines and reveal their deepest secrets? Dive in and dig deep!
- 7
Realm Grinder
Free-to-play alternative to Boss Monster — no purchase or trial window. Shares Strategy with Boss Monster.
Grow your realm, build alliances, and explore one of the deepest idle RPGs ever!
- 8
Soda Dungeon
Free-to-play alternative to Boss Monster — no purchase or trial window. Shares Casual with Boss Monster.
Pop the top on some legendary action with Soda Dungeon, the fresh and fizzy hit mobile RPG adventure, now available on your desktop! Manage your team as you raid the local dungeons, upgrade your tavern, and attract new party members. Gold, legendary items, and more await you.