Abstract This paper explores the architecture and implementation of game trainers, specifically focusing on IGI 2: Covert Strike (2003). As a tactical first-person shooter known for its high difficulty level and lack of an in-game save system, IGI 2 became a prime candidate for memory manipulation tools known as "trainers." This document examines how these trainers function, the specific memory addresses they target, and the ethical implications of their use in single-player gaming environments. 1. Introduction Project I.G.I. 2: Covert Strike , developed by Innerloop Studios and released in 2003, is a tactical shooter that emphasizes stealth and strategic planning. Unlike contemporary shooters, the game featured a checkpoint-only save system and highly sensitive Artificial Intelligence (AI), leading to a steep difficulty curve. This design choice necessitated a high level of replayability, often resulting in player frustration. Euro Truck Simulator 2 V1.48.1.0 ●