Side Effects is a branching narrative game with turn-based decisions that evolve based on the emotional and mental state of the main character. Every choice comes with consequences, affecting abilities, visuals, and character interaction in layered, sometimes subtle, ways.
In Side Effects, gameplay centers on managing daily decisions in a surreal environment filled with inconsistent logic. The protagonist’s state of mind alters which dialogue options or abilities are available, shifting the gameplay tone between strategy, exploration, and survival.
Each turn presents a limited set of actions. Your selected path influences not only the outcome but also the reliability of the character’s perceptions. The game introduces a mood-based mechanic that adjusts reality itself as moods change.
Side Effects offers over a dozen endings, each tied to combinations of moods and decisions. Replay sessions are recommended to fully understand how hallucinations, truths, and memories interact. Special visual events trigger only if certain criteria are met during mid-game turns, such as:
Side Effects challenges players not to just win, but to understand. Progress lies in interpreting inner shifts and aligning them with external events across increasingly unstable game loops.