Kill the Lich Idle

Route the flow, defeat the Lich

Kill the Lich Idle, developed and self-published by Stop Sign Gaming, released free-to-play on April 14, 2026. It's a minimalist incremental built around a single core mechanic: a resource called Momentum accumulates automatically, and your job is to route its downstream flow across a growing network of over 300 unlockable actions, unlocking new production chains, automation, and eventually a prestige system called "Fight the Lich's Forces" that resets your progress for permanent bonuses. It's the latest release from a developer whose earlier browser-based incremental Idle Loops has a loyal following, and that pedigree shows up throughout the review sample, several reviewers namecheck Idle Loops and another earlier title, Nanospread, as reasons they came in with goodwill. It launched to a Mixed reception, 87 reviews at roughly 67%, with the split falling less along "good vs bad" lines and more along "do you already like this specific flavor of incremental."

An interesting puzzle, badly introduced

The most consistent complaint in the review sample isn't about the systems themselves, it's about how badly the game explains them. Multiple reviewers describe the onboarding as confusing to the point of active frustration, one flatly calls it "the worst onboarding of any idler I ever played," and a German reviewer who says they play "loads of idlers" reports being unable to get into the game even after reading all the in-game tips. The core idea, once understood, gets real praise: you're not clicking to progress so much as designing a resource-routing network and watching the math play out, several reviewers compare the appeal favorably to games like Upload Labs and The First Alkahistorian. But the gap between that potential and the game's ability to communicate it is the single biggest issue holding the score down.

A curve that flattens fast

Beyond onboarding, the most substantive criticism concerns pacing. Several reviewers describe an engaging first loop or two followed by a sharp drop-off in meaningful decisions, one calls it "a solid idle... that is utterly idle after a loop or two," and another reports needing to run the game at maximum offline-speed multipliers just to see progress at all, going as far as describing manually adjusting their system clock to make the pace tolerable. Prestige currency scaling draws particularly pointed criticism, multiple reviewers describe the "coin" and "whispers" currencies consuming a third to the entirety of a prestige run's resources for bonuses that shave only minutes off the next loop, a pattern one reviewer calls "awful scaling" that undercuts the sense of forward momentum the genre depends on.

Fair mixed reviews from people who still recommend it

What's notable about the sample is how many reviewers land on a thumbs-up despite listing real complaints, several explicitly wish Steam offered a neutral or "eh" rating option rather than a binary choice. One reviewer frames it well: most negative reviews of idle games either say "too idle, boring" or "too active, not idle enough," and this one gets accused of both depending on who's writing. That split is baked into the genre's DNA as much as this specific game's execution, players who came in wanting the "true idle, check back in hours" experience the developer is aiming for tend to rate it positively, while players expecting more moment-to-moment decision-making bounce off hard.

The lore is there if you go looking for it

A smaller thread of praise focuses on the game's scattered narrative text, delivered in short passages as you progress through the resource network. Several reviewers describe it as an unexpectedly pleasant discovery, one compares the experience to "playing a storybook if you follow it closely," though multiple others note the story is explicitly unfinished as of the reviewed build (v3.2.9) and drops off noticeably after the early game, leaving a promising narrative hook without much payoff yet.

Free, with a cash shop attached

The game is free to play with an optional cash shop that speeds up progress, and reception of that model splits along familiar lines. Several reviewers explicitly note it's not required to make meaningful progress, one calls the design "available to FTP" with money offering "a major boost early" rather than a hard gate. Others are more skeptical, one review bluntly frames the choice as "buy microtransactions to make this game tolerable, or push the price of electricity rates through the roof with no end in sight," a pointed jab at how much real-world time the slower stretches demand from free players.

The verdict

Kill the Lich Idle has a genuinely distinctive resource-flow puzzle at its center and a developer with real pedigree in the genre, but it undersells both with an onboarding experience that alienates a meaningful share of new players and a progression curve that goes from engaging to near-passive faster than its systems seem designed for. It's worth trying, it's free, but go in expecting to fight through a rough first few hours, and know that the genre-typical split between "loves true idle games" and "wants more to do" will decide how you land on it more than anything the game itself controls.