I.G.I. maps are huge. Players often have to sprint long distances between objectives. Infinite stamina removes the fatigue mechanic, allowing the player to run at full speed indefinitely, which is crucial for speedrunning or escaping overwhelming firefights.
First, a necessary correction. To date, there is no official I.G.I. 3: The Mark Trainer . The official series consists of Project I.G.I. (2000) and I.G.I. 2: Covert Strike (2003). A third installment, I.G.I. Origins , was announced in 2019 but has yet to see a full release. Igi 3 The Mark Trainer
Players typically seek out an I.G.I. 3 trainer for two reasons: a necessary correction. To date
For those looking for the "true" third installment in the IGI series, an official prequel titled IGI: Origins an official prequel titled IGI: Origins