VVVVIC

"VVVVIC" is a VIC 20 port of Markus "Notch" Persson's 2010 Java4K game contest entry VVVV (itself a demake tribute to Terry Cavanagh's VVVVVV).

Rescue your six stranded crewmen from a deadly alien world. Survive spikes, collapsing platforms, and treacherous gravity — with the power to flip it at will.

Requirements

Commodore VIC-20 with 24K RAM expansion
PAL or NTSC — the game auto-detects and adapts physics and screen geometry

Controls

Input	Action
Joystick Left / A	Move left
Joystick Right / D	Move right
Joystick Fire / W / V / Space / Cursor Up-Down	Flip gravity
Fire or F1	Start (title screen)

Gravity can only be flipped while the player is standing on a surface (i.e. when vertical velocity is zero).

Screenshots

Gameplay

Goal

Six crewmen are hidden across the 32-room world. Walk into a crewman to rescue them. The world wraps horizontally — run off the right edge of the last room and you reappear at the left edge of the first.

When all six are rescued the game ends with a victory screen.

HUD

The HUD is displayed in yellow text in the border columns flanking the room:

Left border top (V:) — Remaining crew to be rescued.
Left border bottom (D:) - Death count.
Right border (T:) — Game time.

If you win the game, then try to win next time with fewer deaths and less time.

Death and Checkpoints

Touching a spike kills the player instantly. After a brief flash (the player sprite turns red), play resumes from the last activated checkpoint. The death counter increments on every death.

Checkpoints save the current gravity direction, so respawning on a ceiling checkpoint restores upward gravity.

Tile Reference

Appearance	Name	Effect
	Wall	Solid — blocks movement. Wall style and colour change per room column.
	Deadly Spike	Kills the player on contact.
	Checkpoint	Activates on touch, saving respawn position and gravity direction. Displayed upright when sitting on the floor, inverted when hanging from the ceiling.
	Bounce Wire	Reverses vertical velocity (flips gravity direction) on contact.
	Collapsing Platform	Triggered by stepping on it; counts down from `7` to `0` over ~0.5 s then disappears. Resets when you leave the room or respawn.
	Crew Member	Rescued by walking into them. Disappears permanently once collected.
	Re-entry Marker	Visual boundary indicator for the room re-entry zone (see below).
	Room Re-entry	Invisible room re-entry zones. While active, crossing a room boundary wraps the player back into the same room rather than moving to the adjacent one — creating a room that loops on itself.