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It is a typical fighting game in the style of Mortal Kombat and Street Fighter, in which two players can play as dinosaurs and battle it out.
- Compsognathus (secret character)
- Triceratops (secret character)
Player 2 Colors
If both players choose the same dinosaur, player 2's combatant will be an alternate color from player 1. Player 1 colors consist of the primary colors from the main game. Among player 2's colors are white for Allosaurus, light green for Compsognathus, orange-brown for Oviraptor, gray for Triceratops, black for Tyrannosaurus, and blue for Velociraptor.
- Interestingly, the player 2 Tyrannosaurus retains its right eye, unlike the player 1 version.
- Inostrancevia is the only non-dinosaur to be featured in Dino Duel.