Climate Games

Indie games

Solarpunk
Outbound
Stardew Valley
Solarpunk Futures (Card Game)
Synergy
Flower
solarpunkification
Terra Nil
Mikiwam Solarpunk herbalism
Forest Poems write little poems made of trees …
Fully Automated! open source tabletop roleplaying game set in a solarpunk future

Molleindustria

Green New Deal Simulator (2024) “Achieve zero emissions before it’s too late!”
Lichenia (2019) A city building game for the Anthropocene. Reclaim the ruins of a fallen city and create a sustainable human habitat.
Casual Games for Protesters (2017)
Phone Story Follow your phone's journey around the world and fight the market forces in a spiral of planned obsolescence.

Jane MC Gonigal https://janemcgonigal.com

World Without Oil (2007) is an alternate reality game (ARG) created to call attention to, spark dialogue about, plan for and engineer solutions to a possible near-future global oil shortage, post peak oil.

BURG Games

PULS, Daniel Strobel (2020) low power bike game where you have to collect wifi points in the city.
Luftschloss, Wenzel Stendike (2020) mobile energy resource managing game, which also uses the battery level of the cell phone as game element.
Capture the hood, Franziska Kinder (2020) energy-harvesting running game
BOX – Mehr Zeit statt Zeug, Mareike Konz (2020) physical cube that encourages you to declutter
I'M PENGUIN, Zhiwei Wei (2019/20) VR experience that promotes empathy for penguins
Deep Time, Sebastian Beier & Yasmin Möller (2021/22) Escape game artifact that lets you discover a long-gone dangerous energy source
2030: the Apocalypse, Alicia Monreal Ortega (2020) A game about avoiding the Apocalypse that is to come in 2030
Der verstrahlte Wald, Daniel Strobel (2021/22) Survival game concept about a family of mice who have to survive in an irradiated forest.
MICRO CONSOLES, Tristan Schulze (2023) low power cooperative gaming consoles

Jonas

virtual boom, Jonas Hansen (2023) Virtual fireworks, because we can not harm the environment by setting off firecrackers anymore.
CollecTic, Jonas Hansen (2006) Mobile city game, collect wifi points with your PSP
Solar Wind Periscope, Jonas Hansen & Lasse Scherffig (2011) an artistic instrument visualizing atmospheric conditions that depend on space weather.
Thumbs Down, Jonas Hansen (2010)