Last updated: July 2026
PC & Mac Controls
The Mermaid Mask PC and Mac Steam controls: default keybindings, mouse actions, Steam Deck support, and accessibility remapping for detective gameplay.
PC and Mac versions of The Mermaid Mask via Steam prioritize mouse-driven investigation—the definitive way to experience hotspot density aboard Mortuga Submarine and Stonetop Inn. Default bindings follow adventure genre conventions with quality-of-life additions like Tab notebook toggle and Space to skip already-seen dialogue. Retail price $19.99 USD applies across Steam platforms with identical control schema and cross-save cloud optional per Valve settings.
Default Keyboard and Mouse
Left Click: Examine / Interact / Confirm menu. Right Click: Cancel / Close inventory. Right Drag: Rotate 3D clues per inspect guide. Tab: Toggle notebook (map, inventory, suspicion). I: Quick inventory focus. Esc: Pause menu with accessibility and hint settings. Space: Advance dialogue. Mouse wheel zooms limited camera views in Illusion Theatre reconstruction only.
Steam Deck and Mac Notes
Steam Deck verified status enables trackpad cursor mode mirroring mouse; rear grip buttons mappable to Tab and keyhole hint via Steam Input. Mac Apple Silicon builds support same bindings with Ctrl+Click as secondary if enabled in system settings. Ultrawide displays supported; UI anchors notebook to right edge preserving keyhole hint visibility critical for puzzle confirmation.
- Left click primary interact; right drag rotates 3D evidence.
- Tab opens notebook map and suspicion tabs.
- Keyhole icon click confirms puzzles—upper right HUD.
- Steam Deck trackpad recommended over stick for lens puzzles.
- Full remapping in pause > accessibility > input.