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Lemma

Also known as Lemma, l, lemma

Immersive first-person parkour in a surreal, physics-driven voxel world. Every move can modify the environment. Surfaces pop in and out of existence at will.

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Last update

20 May 2026

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Latest update

AnnouncementPublished 20 May 2026

Announcing Ways Unknown

I'm making a new game! It's called Ways Unknown and you can wishlist it here! I didn't set out to make a spiritual successor to Lemma, but it has sort of become that. If you want to know more, I have been posting devlog…

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Update history

Browse past updates and patch notes for this game.

16updates

December 2022
Security patch - developer website updatedMy website has moved to https://etodd.io. The link on the main menu was pointing to my old domain name, which has been bought by a malware group.Announcement1 changeGameplay11 Dec 2022
February 2018
DECEIVER demo!The wait is almost over. If you've been craving more first-person parkour in the vein of Lemma, check out my new game DECEIVER. A free demo is coming out February 27th! Sign up to play the demo here: deceivergame.com An…Announcement1 changeGameplay22 Feb 2018
DECEIVER demo!The wait is almost over. If you've been craving more first-person parkour in the vein of Lemma, check out my new game DECEIVER. A free demo is coming out February 27th! Sign up to play the demo here: deceivergame.com An…Announcement1 changeGameplay22 Feb 2018
January 2018
DECEIVER - announce trailer!Launch your spider drone at walls, ceilings, and enemy heads in this pre-apocalyptic philosophical shooter. Explore a vast cyberpunk city. Shoot things in the face. Question your basic beliefs. Here's the announce trail…Announcement22 Jan 2018
DECEIVER - announce trailer!Launch your spider drone at walls, ceilings, and enemy heads in this pre-apocalyptic philosophical shooter. Explore a vast cyberpunk city. Shoot things in the face. Question your basic beliefs. Here's the announce trail…Announcement22 Jan 2018
October 2017
Deceiver multiplayer alphaHello! I've been busy for the past two and a half years working on a new game! The multiplayer alpha just went live. Check it out: https://etodd.itch.io/deceiver There are a limited number of keys, so grab one quick! If…Announcement1 changeGameplay10 Oct 2017
Deceiver multiplayer alphaHello! I've been busy for the past two and a half years working on a new game! The multiplayer alpha just went live. Check it out: https://etodd.itch.io/deceiver There are a limited number of keys, so grab one quick! If…Announcement1 changeGameplay10 Oct 2017
November 2015
v1086New translation: Turkish! Thanks to Recep Samed Üçer and Umut Can Turan. Fix a bug related to loading savegames Remove some of the more annoying enemies Keyboard menu navigation Fix level editor fields in certain countr…Announcement1 changeGameplay05 Nov 2015
v1086New translation: Turkish! Thanks to Recep Samed Üçer and Umut Can Turan. Fix a bug related to loading savegames Remove some of the more annoying enemies Keyboard menu navigation Fix level editor fields in certain countr…Announcement1 changeGameplay05 Nov 2015
July 2015
v1078New translation - Hungarian. Special thanks to Zsolt Brechler ! Improved save game code - more efficient, less error-prone, easier to troubleshoot Upgrade to Oculus SDK 0.6.0.1-beta Major edits to this map Note: Lemma o…Announcement5 changesGameplayCompatibility07 Jul 2015
v1078New translation - Hungarian. Special thanks to Zsolt Brechler ! Improved save game code - more efficient, less error-prone, easier to troubleshoot Upgrade to Oculus SDK 0.6.0.1-beta Major edits to this map Note: Lemma o…Announcement5 changesGameplayCompatibility07 Jul 2015

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