U235 is a puzzle board game. The game starts when Galactic Federation sends a secret agent to the planet Umhar. The aim is to neutralize the nuclear threat. To accomplish the mission the player must join together simultaneously two or more of the same elements indicated on the right side of the screen. The element moves in the indicated direction until it is stopped by another element or the edge of the board. The player may use many useful elements, such as mirrors (reflecting laser beam), bombs or detonators (destroying various barriers). However certain elements should not be brought into contact, for example the ball smashes the mirror and the bomb blows up if collides with the board edge.
Whoops! is a timed puzzle board game. The player's task is to empty the screen of all the symbols before the time runs out. The symbols have to be arranged next to each other in certain ways - horizontally or vertically. All symbols move at the same time in the indicated direction until they are stopped by another object. The symbols are divided into two groups. The first group is the bricks, which have to disappear. The second group is the heads. The heads can not be removed from the board. They are the moving barrier between bricks, may be an assistance or an obstacle.
The game consists of a total of 40 levels.
Cribbage Atari is a fast, clear version of the popular card game. Pitting one player against the computer, it's also an easy way for beginning players to learn the scoring and strategy of cribbage, before getting out the pegboard and challenging human opponents.
Darkness Hour is a timed action platform game. The goal of the player is to find the designated number of butterflies before the end of the night. On each level the player may find the limited number of keys necessary to open the doors. Some of the doors lead to a blind alley, incorrect usage of the keys ends up with a game over message. The passing of the time limit finishes the game automatically, no matter how many lives remaining. The game features a total of three levels with a system of teleports, transferring to other parts of the maze. Shaman-like enemies may be killed by using unlimited throwing knives, contact with them or with the sharp spikes means a certain death.
An early music composition game released for the Atari 400 and 800, and one of the first applications which allowed users to create their own chiptunes.
In 3D-Laby players navigate a randomly generated maze in the first-person perspective. Players can look at an overhead map of the maze.
The end of the maze is marked by a large A on a wall. Once players reach the end of the maze they are given a "score" which is how many steps it took to reach it.