The player's plane is a 2x1 tile (16x8 pixel) sprite with 4 pre-shifted frames for smooth horizontal movement. A separate banked variant is used when the plane turns left or right.

Centered (straight flight)
Banked (turning left/right)

Sprite data: sprite_plane (centered), sprite_plane_banked (banked).

Regular and advanced helicopters share the same 3x1 tile (24x8 pixel) sprite format with 4 pre-shifted frames per direction. The advanced variant fires missiles at the player.

Regular helicopter
Advanced helicopter

Sprite data: sprite_enemies_left (left-facing), sprite_enemies_right (right-facing).

The helicopter rotor is a 2-tile wide × 2-pixel tall sprite rendered separately above the helicopter body. Each direction has 4 pre-shifted frames for smooth animation as the helicopter moves horizontally.

Left-facing rotor
Right-facing rotor

Sprite data: sprite_helicopter_rotor_left (left), sprite_helicopter_rotor_right (right).

Ships are 3x1 tile (24x8 pixel) sprites with 4 pre-shifted frames per direction.

Sprite data: 8613 (left), 87F3 (right).

Tanks are 3x1 tile (24x8 pixel) sprites with 4 pre-shifted frames per direction. They move along river banks and fire parabolic shells.

Sprite data: 86D3 (left), 88B3 (right).

Fighters are 3x1 tile (24x8 pixel) sprites with 4 pre-shifted frames per direction. They are the fastest enemy at 4 pixels/frame, which means they always move in full character cell increments — so at most 1-2 of the 4 pre-shifted frames are ever displayed.

Sprite data: 8733 (left), 8913 (right).

Balloons are 2x2 tile (16x16 pixel) sprites with 4 pre-shifted frames. Unlike other enemies, balloons have no separate left/right variants — they float vertically.

Sprite data: sprite_balloon.

The fuel depot is a 2-tile wide, 25-pixel tall static sprite — the tallest object in the game.

Sprite data: sprite_fuel.

Rocks are 3x2 tile (24x16 pixel) static decorations with 4 variants.

Sprite data: sprite_rock.

The explosion animation uses 3 frames of 2x1 tile (16x8 pixel) sprites, played back in a 1-2-3-2 loop.

Sprite data: sprite_explosion_f1 (frame 1), sprite_explosion_f2 (frame 2), sprite_explosion_f3 (frame 3).

The player's missile is a 1x1 tile (8x8 pixel) sprite with 4 pre-shifted frames and a separate trail sprite drawn below it.

Missile
Trail

Sprite data: sprite_missile (missile), sprite_missile_trail (trail).

Tank shells reuse the missile sprite data but render only 1 pixel height (SPRITE_SHELL_HEIGHT_PIXELS). The shell explosion is a 2x2 tile (16x16 pixel) sprite at sprite_tank_shell_explosion.

The tank shell explosion is a 2x2 tile (16x16 pixel) sprite with 6 frames showing an expanding diamond pattern. Used when tank shells hit the ground or player.

Sprite data: sprite_tank_shell_explosion.

An unused 6-frame animation at sprite_unused_explosion showing a diamond shape expanding from a single pixel to a full diamond. Each frame is 1x1 tile (8x8 pixels) — half the size of the tank shell explosion at sprite_tank_shell_explosion. This appears to be an early prototype that was replaced with the larger 16x16 pixel version for better visibility.

Sprite data: sprite_unused_explosion.