💪Using only Marines in StarCraft II poses a great challenge against Grand Masters, but it's not impossible.
🤔Strategies such as pure Marines, tech units, and cheese can be used to overcome the challenge.
🏅Micro management and reading opponent builds are crucial for success in Marine-only gameplay.
⚡Upgrades like Combat Shields can make a significant difference in battles.
👾Map selection and utilizing jump up spots can give an advantage to Marine-focused strategies.