IMHO.

Single-player games like Necroffense

Below are 9 single-player Steam games similar to Necroffense, 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 Necroffense page.

Ranked picks

  1. 1
    BattleGrounds : War, Tanks And Nukes — Steam game cover

    BattleGrounds : War, Tanks And Nukes

    Single-player alternative to Necroffense — playable solo, no multiplayer required. Shares Action and Strategy with Necroffense.

    A military styled action tower-defence game filled with nukes, missiles and tanks. Improve your building, canons and tanks. Purchase stronger ammunition and survive the next wave. Highly replayable, tough and addictive.The fun never ends

    2021ActionStrategyIndie4.99 USDSingle-playerSimilar games →
  2. 2
    Seditionis: Tower Defense — Steam game cover

    Seditionis: Tower Defense

    Single-player alternative to Necroffense — playable solo, no multiplayer required. Shares Strategy and Casual with Necroffense.

    Seditionis - Tower Defense is a sci-fi based infinite TD game with 190+ upgrades to make your gameplay, units, and towers more powerful. 4 tiers of towers in each line, with 20 upgrade levels each. An introductory story gives you a sense of what you're fighting for. After all, this galaxy needs you.

    2020StrategyCasual0.99 USDSingle-playerSimilar games →
  3. 3
    Open The Gate: Just A Little — Steam game cover

    Open The Gate: Just A Little

    Single-player alternative to Necroffense — playable solo, no multiplayer required. Shares Strategy and Casual with Necroffense.

    Command armies of Crusaders, Orcs, Undead, and Dynasty warriors in this Fantasy Action Tower Defense RTS hybrid game! where strategy, positioning, and timing decide survival against relentless enemies and mighty dragons.

    2026StrategyIndieSimulationSingle-playerSimilar games →
  4. 4
    Little Crimson Heroes — Steam game cover

    Little Crimson Heroes

    Single-player alternative to Necroffense — playable solo, no multiplayer required. Shares Action and Strategy with Necroffense.

    Little Crimson Heroes is a cute 3D tower defense game. Command young fighters of the Red Star Republic, build defenses, deploy machine guns, cannons, mines, and troops, then take direct control to stop the White Moon Federation’s invasion. Hold the line!

    2026ActionStrategyIndieSingle-playerSimilar games →
  5. 5
    The Arena Pit — Steam game cover

    The Arena Pit

    Single-player alternative to Necroffense — playable solo, no multiplayer required. Shares Action and Strategy with Necroffense.

    Ready for a blend of RPG and Tower Defense in a 2D rogue-lite game? Enter The Arena Pit! Choose your hero, wield powerful weapons and skills. Strategize your moves in the arena, setting traps, obstacles, and towers against hordes of monsters in the epic battle of good versus evil!

    ActionStrategyIndieSingle-playerSimilar games →
  6. 6
    Crown Siege — Steam game cover

    Crown Siege

    Single-player alternative to Necroffense — playable solo, no multiplayer required. Shares Action and Strategy with Necroffense.

    A short incremental tower defense game centered around growing and strengthening armies, to defend your kingdom and stop endless waves of enemies.

    2026ActionStrategySimulationSingle-playerSimilar games →
  7. 7
    Broad Sword — Steam game cover

    Broad Sword

    Single-player alternative to Necroffense — playable solo, no multiplayer required. Shares Action and Strategy with Necroffense.

    Broad Sword is a formation based third-person tactical hack and slash game where you lead formations of troops to face off against a variety of factions in a fantasy realm. Engage in class-based combat as you defeat your foes in conquest, siege and campaign modes.

    2025ActionStrategyIndie11.99 USDSingle-playerSimilar games →
  8. 8
    Warpips — Steam game cover

    Warpips

    Single-player alternative to Necroffense — playable solo, no multiplayer required. Shares Action and Strategy with Necroffense.

    Warpips is the ultimate quick to learn but amazingly deep tug-of-war strategy game. Deploy the right composition of soldiers, tanks, helicopters and planes in this tight, streamlined strategy-focused war game. Compose the best army, research the right tech; overwhelm your enemy!

    2022ActionStrategyIndie16.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    ノンビリア(Nonvilia) — Steam game cover

    ノンビリア(Nonvilia)

    Single-player alternative to Necroffense — playable solo, no multiplayer required.

    This game is in Japanese only.

    2020SimulationRPGEarly Access10.99 USDSingle-playerSimilar games →