↑↓ Elevate │ ←→ Power │ A/D Move │ J/L Weapon │ SPACE Fire │ SPACE AGAIN = Laser/Plumage │ H Help │ 1/2 Mode │ BO5 · XP resets each series · ELO persists · R next round
HELP · TANK BODY PROBLEM
MODE (TITLE SCREEN)
1 / [1P]Single player — you are P1, CPU is P2
2 / [2P]Two players, same keyboard / same device
CONTROLS (PLAYER TURN)
A / D or ◄ ►Move tank — max 2 tank lengths per turn
↑ / ↓ or ▲ ▼Turret elevation
← / → or PWR ◄ ►Shell power (50%–200%)
J / L or WEAPONCycle weapons (locked until XP is earned)
SPACE / FIREFire your shot
SPACE again / FIREWhile flying: Satellite fires forward laser · Plumage splits into 3 feathers
GENERAL
H / HELPToggle this help screen (pauses the game)
RNext round in the best-of-five series; after the series ends, starts a new series
RULES
TurnsMove, aim, then fire. Your turn ends when all your shots resolve.
Turn passA 0.5 s delay is applied before the next player's turn begins.
Shot lifeA shell expires after 20 s, or instantly if it leaves the screen.
CPUIn single player, the CPU plans using the current moon position.
MoonOrbits slowly and bends every shell, laser, feather, and particle. Trajectory preview uses the current moon position only.
TerrainExplosions erode the planet. If the ground under a tank fails, it tips over and the game ends.
ScoresXP resets to 100 at the start of each new series. ELO persists until browser storage is reset. First to 3 round wins. Series score = 10000 − 100 × active firing time, minimum 100.
WEAPONS
Artillery · 0 XPStandard round, erodes terrain.
Plumage · 30 XPPress SPACE again in flight to burst into 3 drifting feathers.
Cheese · 60 XPBounces up to 3 times off the terrain.
Poison · 120 XPBarrel that drops poison bubbles while flying.
Satellite · 160 XPSpins in flight; SPACE again fires its forward laser (moon-affected).