IMHO.

Single-player games like Seize Siege TD

Below are 8 single-player Steam games similar to Seize Siege TD, 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 Seize Siege TD page.

Ranked picks

  1. 1
    Divine Sin: Death Duel — Steam game cover

    Divine Sin: Death Duel

    Single-player alternative to Seize Siege TD — playable solo, no multiplayer required. Shares Strategy and Indie with Seize Siege TD.

    A dark fantasy deckbuilding roguelike featuring a unique Clash combat system, where every duel becomes an exchange of calculated moves and deadly counters.

    StrategyIndieAdventureSingle-playerSimilar games →
  2. 2
    K.H.L.E.E — Steam game cover

    K.H.L.E.E

    Single-player alternative to Seize Siege TD — playable solo, no multiplayer required. Shares Indie and Casual with Seize Siege TD.

    Retro roguelike deckbuilder meets corporate dystopia. In 1982, AGI runs the world, you're just a cog. Log into your K.H.L.E.E. terminal, arrange tiles to meet shifting quotas, and survive the week. Fail once - your profile is wiped. Endless candidates are waiting.

    IndieCasualSingle-playerSimilar games →
  3. 3
    Tavrik — Steam game cover

    Tavrik

    Single-player alternative to Seize Siege TD — playable solo, no multiplayer required. Shares Strategy with Seize Siege TD.

    A hex-grid deckbuilding roguelite where every card you play reshapes the land beneath your feet. Lay roads, raise bridges, outrun storms and wolves, and push one more hex before your energy runs out. The journey is the dungeon.

    2026StrategyAdventureSingle-playerSimilar games →
  4. 4
    Ledgermain — Steam game cover

    Ledgermain

    Single-player alternative to Seize Siege TD — playable solo, no multiplayer required. Shares Strategy and Indie with Seize Siege TD.

    A roguelite deckbuilder about one thing: watching the numbers go up. Stack cards, chain jokers, and stamp your deck into an engine that snowballs from thousands into the billions.

    StrategyIndieCasualSingle-playerSimilar games →
  5. 5
    Cybersoul 2 — Steam game cover

    Cybersoul 2

    Single-player alternative to Seize Siege TD — playable solo, no multiplayer required. Shares Strategy and Indie with Seize Siege TD.

    Multiplayer Cyberpunk Card Battler & Incremental Hub. 33+ factions, 1,200+ cards. New Roguelite game modes: Raid Boss, Chaos Brawl, Auto Battle & Draft Arena. Includes Dark Web, Souls & Star Power Idle Games. Sell your soul in the Glitch Arcade. Fight online or go dark. Play Solo offline.

    ActionSportsStrategySingle-playerSimilar games →
  6. 6
    Rouge's Flush — Steam game cover

    Rouge's Flush

    Single-player alternative to Seize Siege TD — playable solo, no multiplayer required. Shares Strategy and Indie with Seize Siege TD.

    Rogue's Flush is a single-player poker roguelike deckbuilder where every hand is a heist. Recruit 70 Crew, cheat with 30 Tricks, buy Rackets, beat escalating Marks, and carry risky Long Con cases past the Pit Boss.

    2026StrategyIndieCasualSingle-playerSimilar games →
  7. 7
    Coinsweeper — Steam game cover

    Coinsweeper

    Single-player alternative to Seize Siege TD — playable solo, no multiplayer required. Shares Strategy and Indie with Seize Siege TD.

    Coinsweeper is a roguelite that combines classic Minesweeper with risk management, deck-building and gambling mechanics.

    2026StrategyIndieCasual2.49 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    CyberTD — Steam game cover

    CyberTD

    Single-player alternative to Seize Siege TD — playable solo, no multiplayer required. Shares Strategy and Indie with Seize Siege TD.

    Mutant viruses threaten the very heart of cyberspace! You'll need the right tactics and the "help" of your support drone to build a deck of terrific upgrades in this innovative deckbuilding tower defense game packed with roguelite elements!

    2023StrategyIndieSimulation9.99 USDDeck PlayableSingle-playerSimilar games →