Eco-Reactive Prototype

Info & Credits

Eco-Reactive Prototype

NPCs whose behaviour is tied to environmental health — a companion to the paper “Everyone’s a Player, Be an NPC: Designing Eco-Reactive Agents for Sustainable Game Worlds” (CEEGS 2026, Warsaw).

Concept, design & code: Anastasios Theodoropoulos
Dept. of Performing & Digital Arts, University of the Peloponnese · 2026
Controls: God mode — drag to paint toxicity. Possession — click an NPC, move with W A S D / arrows, reach the refuge.

CC BY 4.0 · Source: github.com/anatheodor/eco-reactive

Eco-Reactive Prototype

Two ways to stand in a dying ecosystem.

This toy has one argument, built from a single move: it takes your power away.

① God mode

You float above the world. Drag to pour toxicity in, and watch the creatures sicken, flee, and die — from a safe distance. Pollution is just a number you manage, and deaths are just a counter.

② Possession

You give up that power and become one of them. Now toxicity isn't abstract — it drags your steps, narrows your sight, drains your life. You must survive what you made.

Possession ended

—

How much did that land?

detachedI felt it