Labyr is an odd game, polished in some regards and extremely ragged in others. You control a little Pac-Man-like character with sun glasses, and as in Pac-Man, you move in four cardinal directions -- arrow keys rather than joystick, as this is a PC game. The gameplay is quite different, however.
The equivalent of power pills give you experience points, which level you up, providing more hit points. Most enemies do damage when they collide with you, rather than killing you outright. You gain a knife early, allowing you to damage to them as well, and collect "monster teeth" which can be sold for cash; cash can be used to buy additional weapons and damage points.
The objective of the game is to "free your girlfriend," who is trapped in a walled area with an unlockable entrance; there is a key in another area, protected by an enemy that will kill you instantly until later items are obtained. In addition to enemies, there are moving blocks that send you back to the last save point if they strike you. The game thus becomes a navigational puzzle; you need to explore the map, finding the things you need to eventually kill the monster and free the girlfriend.
While you play, excellent music plays; the contrast with the sound effects, which were apparently made by the developer making funny noises into a mike, one of the more ragged aspects of the game, is stark. Others issues include the graphics, which are pretty minimal, and the texts you occasionally encounter, which are not particularly well written and largely irrelevant to gameplay.
However, the game has an enjoyable feel, the controls are nicely responsive, and it's an interesting use of Pac-Man-like elements in a different style of game.