About Fortress of the Sinister

Fortress of the Sinister is a browser-based thinking game hosted on LemonArcade, playable for free without installing anything. Every decision compounds: a small early advantage becomes a decisive one later. It also borrows a few good ideas from the RPG genre, which keeps the gameplay varied. As with all LemonArcade games, no blocker gets in the way — it plays anywhere, Chromebooks included.

How to play Fortress of the Sinister

Out-think your opponent: manage your resources, anticipate their plan and strike where it hurts. The first minutes are the tutorial; after that, the game expects you to keep up.

• Mouse command your team in turn-based battles

Tips to get better at Fortress of the Sinister

• Play defensively while you learn — surviving mistakes teaches more than fast wins.
• A decent plan executed fully beats a perfect plan changed halfway through.
• Do not over-extend — the most common losing move is attacking one step too far.