Thing-Thing Arena 2

Thing-Thing Arena Classic is the fifth iteration of the Thing-Thing Arena series. Arena Classic emphasizes on killing as many enemies as possible with no time limits, no data discs to destroy, and no gun parts, keycards, or secret briefcases to collect.

Thing-Thing Arena Pro is the forth iteration of the Thing-Thing Arena. Thing-Thing Arena Pro features an objective-based gameplay style, where you would have to complete a series of tasks within a time limit.