Kao the Kangaroo (Polish: Kangurek Kao) is a platform video game developed by X-Ray Interactive for Microsoft Windows Dreamcast and Game Boy Advance. During development it was known as Denis the Kangaroo. Kao is a young kangaroo living with his family in the jungle when they are one day captured by a ruthless hunter and his goons. It's up to Kao to drive the invaders from his home and save his family. The game was marketed worldwide by Titus Interactive both for PCs and for the Sega Dreamcast console releasing in Europe on December 8 2000. The game was released earlier in Poland by Licop Empik Multimedia as a PC exclusive. It scored a major success exceeding 45000 units in Poland alone where it remained in the Top 10 for a considerable time.