You can see the transition from turret-style gameplay to free-roaming movement in this gameplay analysis: RIP 2: Strike Back gameplay for the PC Gameplay and Talk YouTube• Aug 26, 2010
: Unlike the first game, players can move freely across maps to dodge projectiles and hunt enemies. rip-2-strike-back
draft-ietf-ripv2-analysis-00 - RIP Version 2 Protocol Analysis You can see the transition from turret-style gameplay