Trog!

Trog is a puzzle-action game that arrived on the Nintendo Entertainment System in the early 1990s. The game places you in control of Trog, a caveman tasked with navigating through a series of dangerous, maze-like environments.

The core gameplay loop in Trog involves moving through these stages and interacting with large blocks. You can push these blocks horizontally or vertically into adjacent empty spaces. When a block is pushed onto an enemy, that enemy is crushed and defeated. This mechanic is the primary method for clearing the screen of the various prehistoric creatures that inhabit the levels. Collecting gems scattered throughout the mazes contributes to your score. The ultimate objective in most stages is to defeat all enemies or meet specific conditions to rescue the trapped cave people.

Progression in Trog requires careful planning of your block movements. Enemies in Trog can be simple stationary threats or mobile creatures that may pursue you. Understanding how to use the environment and the blocks to your advantage is key. For instance, you might push a block to cut off an enemy's path or to set up a trap. The design of the mazes often presents specific challenges, requiring you to think a few steps ahead to avoid getting cornered or to efficiently clear the stage.

As you advance through Trog, the levels become more complex, introducing new enemy types and more intricate maze layouts. Successfully completing each stage of Trog depends on mastering the block-pushing mechanics and adapting to the escalating difficulty.