BZFlag is described as '3D multi-player multiplatform tank battle game that allows users to play against each other in a network environment. There are five teams: red, green, blue, purple and rogue (rogue tanks are black)'. There are four games similar to BZFlag for a variety of platforms, including Windows, Mac, Oculus Rift, Online / Web-based and OSVR. The best alternative is Tanki Online, which is free. Other BZFlag like games are World of Tanks (Freemium), Infinite Tanks (Paid) and Battlezone (Paid).
Infinite Tanks lets you do battle online and offline with a never-ending line of tanks and other armored combat vehicles. The game features a unique card-based construction system driven by single-player progression and multiplayer collaboration.
Battlezone is a futuristic game of tank combat in virtual reality. Featuring solo and co-op play with upgradeable weapons and equipment, the game also provides endless gameplay through procedurally generated campaigns.