У вашего броузера проблема в совместимости с HTML5
Mission 4 - Mount Tsuru
Step 1: Select Mission then save manually at the start.
Step 2: Play Mission until timer almost reaches the time limit.
Step 3: Auto Save before time limit expires.
Step 4: Restart the mission.
Step 5: Load the first manual save that was created.
Step 6: Load the auto-save where u last left off.
Step 7: Timer will reset to manual save time.
This glitch works for every speed run mission in the game.
Shadow Tactics: Blades of the Shogun
https://store.playstation.com/#!/en-us/tid=CUSA07825_00