[LEFT/RIGHT] or [A/D] - Move
[SPACE] or [UP] - Jump / Double Jump
[SHIFT] or [DOWN] - Slide
Wall Jump: Jump while sliding against a vertical wall.
◀ ▶ (bottom left) - Move
Tap anywhere else - Jump. Tap again in mid-air to double jump.
Swipe down anywhere else - Slide. Hold after the swipe to keep sliding, or to drop fast through the air.
Wall Jump: hold ◀ or ▶ into a wall as you fall, then tap.
Reach the glowing green portal to advance to the next sector.