In platformers like Looney Tunes (1992) and Pitfall: Beyond the Jungle, crystals serve as collectible items for points or progression. In action-oriented titles such as Crossed Swords, Crimson Tears, and Devil Kings, they function as valuable resources, currency, or power-ups. They also appear as vital energy sources or objective items in Duke Nukem (1999) and Hot Wheels Extreme Racing.
In the Game Boy release of
Looney Tunes, these items are scattered across side-scrolling stages, requiring players to navigate hazardous obstacles to secure them. The 1993 sequel
Crossed Swords II and its predecessor integrated them into a fantasy combat system where color-coded varieties dictate the specific elemental magic available to the knight. For
Pitfall Beyond the Jungle, the narrative centers on rescuing the Micro-Lite people, making the acquisition of these glowing minerals essential to unlocking sealed areas of the underworld.
In the Game Boy Color adaptation of
Duke Nukem, players search toxic environments for radioactive variants needed to stabilize temporal portals. Similarly,
Power Rangers Lightspeed Rescue tasks players with recovering stolen crystals to prevent planetary destruction. Within the futuristic combat of
Crimson Tears, players gather these materials from procedurally generated dungeons to fuse and upgrade their weaponry. In
Devil Kings, they are awarded at the end of battles to enhance character statistics, while
Hot Wheels Extreme Racing places them on hazardous tracks as high-risk targets that test a driver's steering precision under high speeds.