Sky Fortress Ultimate is a free synthwave pixel shoot-'em-up that runs in any modern browser. Launch from a floating sky city at sunset and fight through waves of fighters, drones and heavy gunships on the way to the fortress itself.

Features

• 8-stage campaign, each ending in a boss or mid-boss with multiple attack phases


• Charge shots: hold fire to power up a heavy blast


• Graze system: skim enemy bullets to build your graze count and score


• Bombs that clear the screen when things get out of hand


• Hangar: earn credits and unlock 5 ships (Falcon, Raptor, Thunder, Phantom, Viper) plus permanent upgrades (firepower, afterburner, extra lives, shields, bombs, weapon lab)


• Stage ranks, achievements and a local high-score table


• Daily login reward with a streak bonus


• Three difficulty levels (Easy is the default)


• Per-stage synthwave soundtrack with smooth crossfades


• Plays with keyboard, mouse, gamepad or touch

Controls

Keyboard / mouse - Move: Arrow keys or WASD - Fire: Space, Z or left mouse button (hold to charge) - Bomb: X or B - Pause: P - Music on/off: M - Slow-mo: R - Volume: V

Gamepad - Move: left stick or D-pad - Fire: A (hold to charge) - Bomb: B - Pause: Start / Options - Menus: stick to move focus, A to confirm, B to go back

Touch - On-screen MOVE pad plus FIRE and BOMB buttons

Credits

Game by Arthur McConnell Music: Edgard Jaude (Two Cats Music / AudioHero)