Single-player games like Fantasy Adventure Builder
Below are 6 single-player Steam games similar to Fantasy Adventure Builder, 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 Fantasy Adventure Builder page.
Ranked picks
- 1

Master of Realms
Single-player alternative to Fantasy Adventure Builder — playable solo, no multiplayer required. Shares RPG and Utilities with Fantasy Adventure Builder.
Master of Realms is mapmaking application for tabletop RPG’s that enables you to make amazing worlds, regions, and cities, then bring them into physical form with 3D Printable terrain!
- 2

Dungeon Alchemist
Single-player alternative to Fantasy Adventure Builder — playable solo, no multiplayer required. Shares RPG with Fantasy Adventure Builder.
Dungeon Alchemist is mapmaking software for tabletop RPG's that enables you to make amazing, high-quality maps in seconds!
- 3

Canvas of Kings
Single-player alternative to Fantasy Adventure Builder — playable solo, no multiplayer required. Shares Indie and RPG with Fantasy Adventure Builder.
Canvas of Kings is a minimalistic mapmaking tool that focuses on randomness and auto-generated elements on user-definable and interactive paths, plots and rooms.
- 4

Basements n' Basilisks: Storms of Sorcery
Single-player alternative to Fantasy Adventure Builder — playable solo, no multiplayer required. Shares Adventure and RPG with Fantasy Adventure Builder.
A visual novel paying satirical homage to the world’s greatest TTRPG. Make important choices, roll countless dice, build lasting relationships, explore magical lands and experience all the rest of the crap you expect from a fantasy game without the hassle of finding actual friends to play with!
- 5

Fantasy Grounds VTT
Single-player alternative to Fantasy Adventure Builder — playable solo, no multiplayer required. Shares Indie and RPG with Fantasy Adventure Builder.
Virtual tabletop experience for TTRPG groups with updated visuals and vast library support, including D&D 5E, Pathfinder, and more. Create unforgettable adventures with tools like dice, sheets, tokens, and maps. Prep less, play better with automated game mechanics.
- 6

RPG Stories
Single-player alternative to Fantasy Adventure Builder — playable solo, no multiplayer required. Shares Adventure and RPG with Fantasy Adventure Builder.
RPG Stories 3D World Builder VTT lets you create any indoor or outdoor environment, then either export your maps to other VTTs or invite friends to play your tabletop RPG sessions online in 3D. It fully supports all three major TTRPG eras—Fantasy, Modern, and Sci-Fi.