Tate Multimedia, publisher of Kao the Kangaroo: Round 2 is running a charity campaign on Steam for the benefit of the Australian bushfire relief effort. Called "#Kao4Australia" the campaign pledges to donate all profits from the game's sales to WIRES (NSW Wildlife Information, Rescue and Education Service Inc.) between the 9th - 19th January.
Originally released in 2003 for the PlayStation 2, Xbox, Gamecube and PC, Kao the Kangaroo: Round 2 saw a re-release on Steam earlier last year for the incredibly modest price of £1.69. Offering a classic 3D platforming experience with the added benefit of modern controller support, upscaled resolutions, Steam achievements and Steam cloud saving.
To buy Kao the Kangaroo: Round 2 and donate to the relief effort, visit Steam and purchase the game for £1.69/$1.99.