FNAF The Flipside is a fan-made Five Nights at Freddy’s game by TosterDEV and Weirdos Speed that mixes office survival with free-roam sections and prototype testing. The story takes place in 1972, when the protagonist is unexpectedly called back to work for MCM. The assignment is to observe experimental animatronics made for an important contractor, record malfunctions, and survive each shift while discovering what the company is hiding. The game presents itself as a fan-made prequel and alternate interpretation of ideas from Secret of the Mimic.

A Shift Has More Than One Type of Gameplay

A normal chapter is divided into several parts instead of keeping the player inside one security office for the entire game. Free-roam sections appear before nights, allowing the player to explore and interact with employee terminals. The night itself uses cameras and defensive actions to track prototypes and survive until morning. Afterward, separate post-shift tasks test individual machines and introduce mechanics that differ from the standard surveillance sections.

The game includes:

• five main nights leading to the normal ending;
• free-roam sections between shifts;
• security cameras and office defense;
• employee terminals containing additional information;
• post-shift prototype tests;
• a sixth night connected to the true ending;
• Madness Mode for an additional challenge;
• Bloodlust as an even harder late-game mode.

The Prototypes Change the Rules

FNAF The Flipside does not treat every animatronic as the same type of enemy. Characters such as Fredbear, Bonnie, Monty, Bub, and other prototypes use different behaviors, so surviving later shifts requires learning their individual cues and countermeasures. The player has to divide attention between cameras, immediate office threats, and mechanics introduced by specific machines. Because free-roam and testing sections separate the nights, new information can also be discovered outside direct survival gameplay.

Night Six Is Not the Final Challenge

Completing the first five nights leads to one ending, while continuing into the sixth night reveals the true ending. After the main route, players can access additional challenge content, including Madness Mode. A later update added Bloodlust above Madness as the hardest mode, and the developer confirmed that successfully completing it can reveal a secret ending.

There are no character upgrades, inventory progression, or traditional numbered action levels outside the night structure. Progress comes from surviving shifts, completing tests, learning prototype behavior, and reaching the additional endings and challenge modes. The result is a FNAF fangame where surveillance remains central, but exploration and post-shift tasks repeatedly change what the player is doing between nights.