Free games like Second Second
Below are 8 free-to-play Steam games similar to Second Second, 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 Second Second page.
Ranked picks
- 1

Die in the Dungeon: Origins
Free-to-play alternative to Second Second — no purchase or trial window. Shares Strategy with Second Second.
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 Second Second — no purchase or trial window. Shares Strategy with Second Second.
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

Super Auto Pets
Free-to-play alternative to Second Second — no purchase or trial window. Shares Strategy with Second Second.
Build the strongest team of pets and tussle with your friends!
- 4

Minion Masters
Free-to-play alternative to Second Second — no purchase or trial window. Shares Strategy with Second Second.
An addictive fast-paced hybrid of Card games & Tower-Defense. Play 1v1 - or bring a friend for 2v2 - and engage in epic online multiplayer battles full of innovative strategy and awesome plays! Collect 200+ cards with unique mechanics, all free!
- 5

GWENT: The Witcher Card Game
Free-to-play alternative to Second Second — no purchase or trial window. Shares Strategy with Second Second.
Command mighty Witcher-world heroes in epic online PvP card battles!
- 6

BAPBAP
Free-to-play alternative to Second Second — no purchase or trial window. Shares Strategy with Second Second.
Join BAPBAP, the Roguelike Party game where no two matches are ever the same. Round up your homies, pick a character, and build a giga-unfair build that'll make them hate you - then do it all over again!
- 7

Star Realms
Free-to-play alternative to Second Second — no purchase or trial window. Shares Strategy with Second Second.
Star Realms is a hugely popular space combat deckbuilding game. Download and play today (note: base set is required to play online) to find out why Star Realms is the winner of SXSW 2014 Board Game of the Year, 7 Golden Geek Awards from BoardGameGeek, and 2 Dice Tower awards!
- 8

Morimens
Free-to-play alternative to Second Second — no purchase or trial window. Shares Strategy with Second Second.
Morimens is a roguelite card-building game inspired by the Cthulhu mythos, where you craft a versatile and intricate deck tailored to your playstyle. The choice is yours to embark on a climb up treacherous towers or engage in tactical battles. Explore misty maps and uncover the truth of the world.