Yes. OpenClonk is released under Free to play and costs nothing to download or play.

How big is the OpenClonk download?

About small. The minimum system requirements are Modern web browser.

Do I need an account to play OpenClonk?

No account is required to download or play.

250 MB

Default bindings for every input method OpenClonk supports. These are the game's own defaults — anything you have remapped will differ.

Default keyboard and mouse bindings.

Movement — Mouse & keyboard
Action	Default input
Move / climb	`W, A, S, D`
Jump	`Space`

Interaction — Mouse & keyboard
Action	Default input
Aim / use item	`Mouse / Left Mouse`
Interact / enter	`E`

Inventory — Mouse & keyboard
Action	Default input
Inventory slots	`1–0`

Drop item	`Q`

Default gamepad layout, using the standard face-button names.

Movement — Controller
Action	Default input
Move / aim	`Left / Right Stick`
Jump	`A / Cross`

Interaction — Controller
Action	Default input
Use item	`Right Trigger`
Interact	`X / Square`

Inventory — Controller
Action	Default input
Cycle inventory	`Bumpers`

Verified against the game by PlayBound.