Single-player games like GUNBOAT-8
Below are 8 single-player Steam games similar to GUNBOAT-8, 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 GUNBOAT-8 page.
Ranked picks
- 1

Creator's Fall
Single-player alternative to GUNBOAT-8 — playable solo, no multiplayer required. Shares Action with GUNBOAT-8.
Creator’s Fall is an action roguelike with various classes, where you can choose between different paths. The goal is to reach and defeat the final boss at the end of the path. Levels are dynamically generated and feature different biomes. You can choose an upgrade after each level up.
- 2

MOBU
Single-player alternative to GUNBOAT-8 — playable solo, no multiplayer required. Shares Action with GUNBOAT-8.
Play as a monk wielding superpowers in this fast-paced arena shooter with roguelite elements. Survive waves of bouncy enemies raining from the skies as the challenge escalates. Buy upgrades and special abilities to create game-breaking builds and push back the chaos.
- 3

Hover Point
Single-player alternative to GUNBOAT-8 — playable solo, no multiplayer required. Shares Action with GUNBOAT-8.
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.
- 4

TouHou Koishi's Enchanted Woods
Single-player alternative to GUNBOAT-8 — playable solo, no multiplayer required. Shares Action with GUNBOAT-8.
「TouHou Koishi's Enchanted Woods」 is a Touhou fangame.This is a "reverse-construction" action rogue-lite.Koishi vs. Kokoro! But as the playable character, Koishi uses various enhancement cards to continuously strengthen Kokoro. Can she ultimately defeat the Kokoro she has built up herself?
- 5

GLIMPO
Single-player alternative to GUNBOAT-8 — playable solo, no multiplayer required. Shares Action with GUNBOAT-8.
Fight endless waves of enemies in this arcade roguelite shooter. Build and level up your skillset, unlock synergies and become ridiculously overpowered!
- 6

Deck of Potential
Single-player alternative to GUNBOAT-8 — playable solo, no multiplayer required. Shares Action with GUNBOAT-8.
Deck of Potential combines roguelike deckbuilder with bullet heaven. Collect cards, fuse them, and slap on sticker upgrades to beat thousands of monsters. Take down dungeon bosses, unlock new cards, characters, and discover fusion recipes to build the ultimate auto-firing deck.
- 7

Steel Swarm: SURVIVOR
Single-player alternative to GUNBOAT-8 — playable solo, no multiplayer required. Shares Action with GUNBOAT-8.
Steel Swarm: SURVIVOR is a fast-paced roguelite survivors game where you obliterate swarms with your drones. Set up formations, upgrade your drones, and overwhelm hordes of metal in each run. Take on enemy waves solo or in multiplayer co-op!
- 8

Roguevive
Single-player alternative to GUNBOAT-8 — playable solo, no multiplayer required. Shares Action with GUNBOAT-8.
Roguevive is an roguelite survive bullet heaven. Survive against hordes of enemies getting ever stronger. Level up, unlock upgrades and new guns in this multiplayer action roguelite.