Single-player games like Standalone: Synergy
Below are 9 single-player Steam games similar to Standalone: Synergy, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Standalone: Synergy page.
Ranked picks
- 1
Planks Wars
Single-player alternative to Standalone: Synergy — playable solo, no multiplayer required. Shares Strategy and Indie with Standalone: Synergy.
Planks Wars is a fast, irreverent cross-platform PvP card battler where 200-foot-tall sorcerers use kidnapped adventurers as tournament pawns. Build your strategy with CCG-style deckbuilding, command your puppets... I mean, heroes, and climb the ranks.
- 2
Black Book
Single-player alternative to Standalone: Synergy — playable solo, no multiplayer required. Shares Strategy and Indie with Standalone: Synergy.
“Black Book” is a dark RPG Adventure, based on Slavic myths, in which you play as a young sorceress. Fight evil forces in card-based battles and explore the world, where humans live alongside mythological creatures.
- 3
Minion Masters
Single-player alternative to Standalone: Synergy — playable solo, no multiplayer required. Shares Strategy and Indie with Standalone: Synergy.
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!
- 4
Cross Blitz
Single-player alternative to Standalone: Synergy — playable solo, no multiplayer required. Shares Strategy and Indie with Standalone: Synergy.
Cross Blitz is a unique RPG deckbuilder featuring fast-paced tactical combat with loads of cards to collect and synergies to wield. Explore, level up, craft new cards and build the perfect decks as you carve your own path to victory!
- 5
Aces & Adventures
Single-player alternative to Standalone: Synergy — playable solo, no multiplayer required. Shares Strategy and Adventure with Standalone: Synergy.
Aces & Adventures is a deckbuilding RPG with poker-powered combat. Craft your deck, combining poker hands with powerful ability cards. Journey through 13 fully-voiced campaigns to save the Life Tree, or tackle procedurally-generated runs in this strategic deckbuilder unlike any other.
- 6
Across the Obelisk
Single-player alternative to Standalone: Synergy — playable solo, no multiplayer required. Shares Strategy and Indie with Standalone: Synergy.
Set forth in a co-op roguelite deckbuilder where every choice matters! Craft decks of breathtaking power. Journey alone or with up to three friends. Plot your party’s path to glory and face powerful enemies in deep tactical combat on your quest to save the kingdom of Senenthia in Across the Obelisk!
- 7
HELLCARD
Single-player alternative to Standalone: Synergy — playable solo, no multiplayer required. Shares Strategy and Indie with Standalone: Synergy.
Hellcard is a unique cooperative deck builder rogue-like game. Descend into the paper dungeons on your own, recruit computer-controlled companions or join other players' lobbies in fast-paced tactical card battles against the armies of darkness and the Archdemon himself!
- 8
Hadean Tactics
Single-player alternative to Standalone: Synergy — playable solo, no multiplayer required. Shares Strategy and Indie with Standalone: Synergy.
Hadean Tactics is a roguelike deckbuilding game fused with autobattler elements to create a unique strategy experience. Use your cards to influence the actions of your units and help your Hero defeat the Six Wings of Hell!
- 9
Biotix: Phage Genesis
Single-player alternative to Standalone: Synergy — playable solo, no multiplayer required. Shares Strategy and Indie with Standalone: Synergy.
Immerse yourself in an epic war for survival.