In TimeSplitters, the main mode for the single player is the Story mode. This mode goes through a number of different missions in many different locales, often with different objectives. The Story mode is also the only way to unlock a number of characters and certain Arcade Custom maps.

TimeSplitters

In TimeSplitters, there is no defined story. Various "heroes" (from the TS1 box back cover) must complete various missions to stop the TimeSplitters. Later it is revealed that people could jump into others' bodies to control them. Whether or not the characters in TS1 are Cortez or another Space Marine inside a foreign body is debatable.

• 1935 Tomb
• 1970 Chinese
• 2005 Cyberden
• 1950 Village
• 1985 Chemical Plant
• 2020 Planet X
• 1965 Mansion
• 2000 Docks
• 2035 Spaceways

TimeSplitters 2

In TimeSplitters 2, Cortez and Corporal Hart are sent to the Space Station which is the TimeSplitters' main base of operations during this period. In order to protect the Time Crystals, the TimeSplitters take 9 crystals and hide them through out time. Cortez and Corporal Hart manage to take hold of the Time Portal room and during which, Cortez leaps through the portal into others in order to regain the crystals to take back to The General at their base.

• 1990 Siberia - Oblask Dam
• 1932 Chicago - Downtown
• 1895 Notre Dame Cathedral
• 2280 Return to Planet X
• 2019 Neotokyo - Tek Quarter
• 1853 Wild West - Little Prospect
• 1972 Atom Smasher - Khallos Island
• 1920 Aztec Ruins - Guatemala
• 2315 Robot Factory
• 2401 Space Station

TimeSplitters: Future Perfect

In TimeSplitters: Future Perfect, Cortez returns to Earth with the Time Crystals and gets a mission to go back in time and stop the TimeSplitters from being created in the first place. With help from Anya and others, Cortez chases Jacob Crow, the creator of the TimeSplitters through time to stop him.

• 2401 Time To Split
• 1924 Scotland The Brave
• 1969 The Russian Connection
• 1969 The Khallos Express
• 1994 Mansion Of Madness
• 1994 What Lies Below
• 2052 Breaking And Entering
• 2052 You Genius, U-Genix
• 2243 Machine Wars
• 2243 Something To Crow About
• 1924 You Take The High Road
• 2401 The Hooded Man
• 1924 Future Perfect

To see a time line of all the Story Mode missions in order of the earliest date to the furthest go here.