Single-player games like Aquanaut
Below are 8 single-player Steam games similar to Aquanaut, 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 Aquanaut page.
Ranked picks
- 1
HYPERWIRED
Single-player alternative to Aquanaut — playable solo, no multiplayer required. Shares Action and Indie with Aquanaut.
Hyperwired is a classic top-down action shooter, where your spaceship has a plug hanging from it. Wire yourself into sockets, gather upgrades, and unlock ships as you explore a procedurally generated galaxy with roguelike elements.
- 2
LootMage
Single-player alternative to Aquanaut — playable solo, no multiplayer required. Shares Action and Indie with Aquanaut.
LootMage is a bullet-hell action roguelite game set in a medieval fantasy world. As an adventurer in this realm, you must brave ever-changing dungeons, battle fierce enemies, collect treasures, and fight to survive.
- 3
Psycho Ripper
Single-player alternative to Aquanaut — playable solo, no multiplayer required. Shares Action and Indie with Aquanaut.
Psycho Ripper is a top down action shooter with modified conditional formations. Explore a randomization of challenges as you blast through a sentient crystal mine, confronting progressively baneful threats and equip unusual armaments, as you speculate further through a grand and unknown chaos.
- 4
Freedom Squid Fighter
Single-player alternative to Aquanaut — playable solo, no multiplayer required. Shares Action and Indie with Aquanaut.
Take control of a heavily armed squid and blast through destructible worlds in Freedom Squid Fighter. Soar through the air, tunnel through dirt and rock with powerful weaponry, and outmaneuver enemies across fully destructible landscapes.
- 5
Abyssalis
Single-player alternative to Aquanaut — playable solo, no multiplayer required. Shares Action and Indie with Aquanaut.
Descend through the ocean layers, purify marine life, and survive the abyss in this bullet hell roguelite. Face colossal bosses, choose powerful upgrades, and uncover the curse's origin. Can you save the ocean before you become fish bait?
- 6
Lost Colony
Single-player alternative to Aquanaut — playable solo, no multiplayer required. Shares Action and Indie with Aquanaut.
Lost Colony is a sci-fi twin-stick shooter roguelike. Battle aliens and rogue drones with your evolving combat drone companion. Explore a shifting colony, collect alien tech to upgrade weapons, boost your drone's powers, and uncover the dark forces behind the colony's fall.
- 7
Hover Point
Single-player alternative to Aquanaut — playable solo, no multiplayer required. Shares Action and Indie with Aquanaut.
Hover Point is a physics-based rogue-lite bullet hell where movement is your weapon. Dodge chaotic swarms with auto-fire action, build your skill tree, and climb global leaderboards. Master the chaos solo or in co-op via mouse-only, keyboard-only, or controller-only playstyles.
- 8
Wonderdeck
Single-player alternative to Aquanaut — playable solo, no multiplayer required. Shares Action and Indie with Aquanaut.
Poker hands rewrite your weapon. Load cards into your Deckloader, complete hands, and change how your shots fire in a twin-stick action roguelike.