IMHO.

Single-player games like Freenergy

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

Ranked picks

  1. 1
    The Ghost Protocol: Echoes of Steel — Steam game cover

    The Ghost Protocol: Echoes of Steel

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

    Command a squad of broken survivors on a planet that hunts you. A tactical mech-action game, you must build your base, defend against crystalline swarms, and manage the "Icarus Drift"—a neural link that grants god-like power but costs your humanity. Will you break the enemy, or become part of it?

    2026StrategyIndieRPGSingle-playerSimilar games →
  2. 2
    BATTLETECH — Steam game cover

    BATTLETECH

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

    Take command of your own mercenary outfit of 'Mechs and the MechWarriors that pilot them, struggling to stay afloat as you find yourself drawn into a brutal interstellar civil war.

    2018ActionStrategyAdventure9.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Phantom Brigade — Steam game cover

    Phantom Brigade

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

    Phantom Brigade 2.0 is a cinematic, tactical mech strategy game with a revolutionary timeline-based command system. See the future, predict enemy actions, and plot your counterattack on the timeline! Recruit and level up your squad of rebels to retake war-torn Fyrland from the Kaskad occupation.

    2023StrategyIndieSimulation29.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Codex of Victory — Steam game cover

    Codex of Victory

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

    In this sci-fi turn-based strategy with real-time base-building elements, you’ll be defending human territories against the transhuman Augments. Expand your HQ, and manufacture and upgrade an army of advanced drones to wage interplanetary war for Humanity!

    2017StrategyIndie14.99 USDSingle-playerSimilar games →
  5. 5
    FRONT MISSION 3: Remake — Steam game cover

    FRONT MISSION 3: Remake

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

    The Tactical RPG classic returns! FRONT MISSION 3: Remake is the third chapter in the iconic series beloved by fans worldwide.

    2026ActionStrategyRPG34.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Death Ring: Second Impact — Steam game cover

    Death Ring: Second Impact

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

    Death Ring: Second Impact is a turn-based Roguelite strategy game. As the commander of the "Griffin" squadron, you must lead your Mechas and Pilots to resist the threat of mutated monsters and approaching to the secrets hidden behind the Death Ring.

    2025StrategyEarly Access19.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    FRONT MISSION 2: Remake — Steam game cover

    FRONT MISSION 2: Remake

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

    FRONT MISSION 2: Remake preserves the mature story, strategic turn-based combat, and Wanzer customization options of the original.

    2024StrategyRPG34.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Into the Breach — Steam game cover

    Into the Breach

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

    Control powerful mechs from the future to defeat an alien threat. Each attempt to save the world presents a new randomly generated challenge in this turn-based strategy game.

    2018StrategyIndieSimulation14.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Defense and Revenge — Steam game cover

    Defense and Revenge

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

    Defense and Revenge is a turn-based strategy set in fantasy universe. You have to lead orcs tribe, provide defense and take revenge on enemies invading your land.

    2020StrategyIndie0.49 USDSingle-playerSimilar games →