I wrote for Naavik about AppQuantum’s rise as a mobile idle game publisher. Read the full article here.
Why I wrote about this
I met LoadComplete’s Soo in a recent Google event in Tokyo. 7000 kilometers away in South Korea they had devised a playbook very similar to Lightheart’s. Where we called it “hypercore” in our 2019 investor pitch they called it “lightcore”.
AppQuantum, on the other hand, I had no idea even existed until recently, so it was nice to dive into their origins.
The gist of it
Cyprus-based AppQuantum has quietly built a strong portfolio of idle hits, including Gold & Goblins, Idle Lumber Empire, and Idle Outpost, and in early 2024 took over publishing duties for Legend of Slime. Behind the apparent momentum is a much longer runway: roots in performance marketing through AdQuantum, years of smaller releases, and deep familiarity with the idle genre.
AppQuantum operates in a co-development publishing model. Instead of waiting for polished games to land on its desk (which rarely happens in mobile anymore), it works closely with studios early on and even helps with product direction. Its strategy is tightly focused on idle games, allowing it to share systems, monetization templates, and live ops learnings across titles.
There’s no flashy secret sauce. What sets them apart is consistent, high-level execution across product design, progression systems, ad creatives, and live operations. In a market where small weaknesses kill launches, operational excellence is the edge.

Key takeaways
- In mobile today, publishing only works if it’s hands-on and genre-focused.
- There’s no magic formula: just relentless execution across product and marketing.
- As funding tightens and UA gets harder, specialized publishers are becoming more important again.