Single-player games like GACHI ADVENTURE: Billy's Legacy
Below are 8 single-player Steam games similar to GACHI ADVENTURE: Billy's Legacy, 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 GACHI ADVENTURE: Billy's Legacy page.
Ranked picks
- 1

DDD: Dice, Dungeons, and Drakes
Single-player alternative to GACHI ADVENTURE: Billy's Legacy — playable solo, no multiplayer required. Shares Strategy and Adventure with GACHI ADVENTURE: Billy's Legacy.
Master a unique tactical board-game battler! Roll to summon monsters and watch your dice disassemble into road-tiles to forge a path to the enemy Lord. Balance Summon and Action dice, manage crest inventories, and cast powerful spells to crush the rival Lord in DDD: Dice, Dungeons & Drakes.
- 2

Dragonero
Single-player alternative to GACHI ADVENTURE: Billy's Legacy — playable solo, no multiplayer required. Shares Strategy and Indie with GACHI ADVENTURE: Billy's Legacy.
Dragonero is a classic turn-based RPG with a strategic twist that will challenge you: explore dungeons, plan journeys in a open world filled with events, and face dozens of enemies in turn-based combat. Follow the different champion's paths in this vast comic book-style fantasy universe.
- 3

Dungeon Scavenger
Single-player alternative to GACHI ADVENTURE: Billy's Legacy — playable solo, no multiplayer required. Shares Strategy and Indie with GACHI ADVENTURE: Billy's Legacy.
Dungeon Scavenger is a unique turn-based old school dungeon crawler that sets you on a challenging path of exploration. Select a hero to keep the threat of the dungeon and demon realms away from the town's people with an innovative combat system. Can you save the town from the danger below?
- 4

The Nameless: Slay Dragon
Single-player alternative to GACHI ADVENTURE: Billy's Legacy — playable solo, no multiplayer required. Shares Strategy and Indie with GACHI ADVENTURE: Billy's Legacy.
The Nameless: Slay Dragon is like a mix of CRPG and JRPG. In short - how to slay the immensely powerful and cunning evil dragon? You will play as a young man having a bloody feud with a dragon, and face powerful, sinister and tricky enemies with friends....
- 5

The Iron Oath
Single-player alternative to GACHI ADVENTURE: Billy's Legacy — playable solo, no multiplayer required. Shares Strategy and Indie with GACHI ADVENTURE: Billy's Legacy.
Command, endure, and prosper in The Iron Oath, a turn-based tactical RPG where the fate of your mercenary company rests on your decisions. Customize your roster, build your renown, and discover the secrets that await in the medieval fantasy realm of Caelum.
- 6

江湖十一
Single-player alternative to GACHI ADVENTURE: Billy's Legacy — playable solo, no multiplayer required. Shares Indie and RPG with GACHI ADVENTURE: Billy's Legacy.
Jianghu11 is an open-world cultivation RPG set in the wuxia world. In this game, you will create your own character or start as a fictional or historical figure. Explore the fascinating wuxia world with enormous NPCs, search for romance, and write your own legend.
- 7

Overfall
Single-player alternative to GACHI ADVENTURE: Billy's Legacy — playable solo, no multiplayer required. Shares Strategy and Indie with GACHI ADVENTURE: Billy's Legacy.
Set sail in Overfall, a whimsical roguelike turn-based RPG of diplomacy and danger. Recruit unlikely heroes, forge alliances or crush your foes across ever-shifting seas to find a lost king. Every run is fresh with procedural worlds, permanent death, branching story encounters, and hand-drawn art.
- 8

Dwerve
Single-player alternative to GACHI ADVENTURE: Billy's Legacy — playable solo, no multiplayer required. Shares Strategy and Indie with GACHI ADVENTURE: Billy's Legacy.
An epic action-adventure with tower defense combat! Dungeon crawl through a ruined kingdom, fending off hordes with turrets and traps! Punch them into pits! Pull them into spinblades! Zap and burn them!