User Summary (detail from Japanese Wikipedia):
An early first-person shooter/action/jumping game for the Playstation and one of the first games to fully use the hardware's 3D bitmap polygon potential. The player controlled the rabbit robot Robbit, jumping around and shooting enemies in a 3D environment.
The game was based on the engine that the company Exact developed for the game "Geograph Seal" for the X68000 in 1994.
Source: Wikipedia, "ジャンピングフラッシュ," available under the CC-BY-SA License.