Idle Startup

Idle Startup

Released Jun 2026

Build a tech company from a one-person garage into a global empire. Train six skills, automate the grind, prestige for permanent Founder bonuses, climb the leaderboards, and chase 50+ achievements in this clean, endlessly-scaling idle game — progress rolls on even while you're away.

59% positive · 344 reviews
Not yet
Released, but still in active development
High confidence
Active Development
Not yet
Released, but still in active development
High confidence
Active Development

Where to get it

Free on Steam

Evaluation

Idle Startup launched as a free-to-play incremental idle game on June 21, 2026. The solo developer, Merrill Lines, has maintained a high-activity post-launch development pace with a steady stream of updates across all categories — 6 major content drops, 10 announcements, 18 feature patches, and 14 bug fixes across 50 scanned posts. Major content shipped since launch includes a full prestige rework ("The Endless Loop," June 22), a complete automation system (June 26, then overhauled June 27), a holiday-themed update with original music (July 1), the Founder's Deck — a 150-card collection system with crafting, shards, and an offline auto-refound mechanic (July 6), and a full leaderboard and rankings overhaul (July 7). Feature patches have continued through August 4, 2026, the date of the most recent post. On July 7, 2026, the developer published a milestone post confirming 38,000 players in two weeks and explicitly stated: "As long as people keep playing, I will keep fixing things and adding more. There is a lot still coming, both polish on what is already here and new content to make it more fun." The July 1 holiday update also concluded with "More holiday themes are on the way." These are clear, direct developer commitments to continued content development. The most recent communication is a bug fix post on August 4, 2026 — less than seven weeks before today's date of September 18, 2026. The established update cadence has been extremely active, with major content arriving roughly every few days to weeks since launch. The developer has not signaled any slowdown or conclusion to development.
Evidence
Developer states: 'As long as people keep playing, I will keep fixing things and adding more. There is a lot still coming, both polish on what is already here and new content to make it more fun.'
news post · Jul 7, 2026 source development ongoing
high
Update 8 ships The Rankings — a full leaderboard overhaul with top-100 player listings, gap indicators, friends boards, and a new Contracts Done leaderboard.
news post · Jul 7, 2026 source content shipped
high

Media

Details

Developer
Publisher
Merrill Lines
Achievements
65
Platform
Windows, macOS
Controller
—
Steam Deck
Playable
Players
Single-player

About this game

From a garage to a global empire

You started with a laptop and an idea. Idle Startup is a relaxing incremental game about growing that idea into a global tech company — one completed task at a time. Pick a skill and it goes to work: progress bars fill, XP rolls in, money stacks up. Spend it, level up, and watch new skills and whole departments unlock as your company climbs from a one-person Garage Startup to a Corporate Office.

Six skills, each its own journey

Every one of the six skills has its own upgrade tree gated by level and cost, backed by a company-wide store and an R&D lab. Push each skill through milestones at levels 25, 50, 75 and 99 for permanent, company-wide bonuses — and when a skill maxes out it keeps earning Mastery, a slow bonus that never stops growing.

Prestige, and go again — faster

Cash out your company for Founder Points and spend them in the Founder Store on permanent, cross-run upgrades: extra parallel skill slots, compounding growth, seed capital, a veteran team. Every run resets the ramp so the next climb is faster and reaches higher. It's an endless prestige loop with real teeth.

Automate the grind

Once you know the loop, hand it off. The Auto tab lets you toggle Auto-Hire, Auto-Train, Auto-Invest, Auto-Research, Auto-Accept-Contracts — even Auto-Refound. Build a machine that runs your whole company while you watch the numbers climb, or walk away entirely and come back richer.

Take on contracts, climb the boards

Accept contracts for bonus goals, then measure yourself against everyone else: global and friends leaderboards, plus time-to-99 speedrun boards tracked down to the second. How fast can you max a skill?

Make it yours

Switch between interface themes — the sleek Midnight IDE or the warm Poolside FM sunset — with seasonal drops like the Star-Spangled July 4th theme and its full-length lo-fi music playlist. A tidy, modern interface designed to stay out of your way.

Always progressing

Idle Startup respects your time. It keeps earning while it's closed, greets you with a Welcome Back recap of everything you made and every level you gained, and hands you a free Coffee Break speed boost a few times a day. Your save syncs through Steam Cloud, so you can pick up on any device.

Optional boost packs (you don't need them)

Three small optional purchases let you skip ahead if you want to: an Energy Drink for a 2× speed boost across four hours, a Coffee Pot for a full 24 hours, and a one-time Productivity Suite for a permanent 2× speed boost and unlimited offline earnings. None of them are required — the whole game is playable and completable without spending anything.

Features
  • One-click idle loop — pick a skill, it runs itself
  • 6 skills across 4 company tiers, from Garage Startup to Corporate Office
  • Deep upgrade trees — 66 skill & company upgrades, an R&D lab, and a Founder Store
  • Milestone bonuses at Lv 25/50/75/99, plus endless Mastery on maxed skills
  • Prestige loop — cash out for Founder Points and permanent cross-run upgrades
  • Full automation — six toggleable auto-managers, including auto-prestige
  • Contracts for bonus goals to chase
  • Global + friends leaderboards and time-to-99 speedrun boards
  • 50+ Steam achievements, from First Day to Trillionaire
  • Interface themes, including seasonal drops with their own music
  • Offline progress with a clear Welcome Back recap
  • Steam Cloud saves — play on Windows and macOS (Steam Deck supported via Proton)
  • A free recurring speed boost, no ads ever
  • Optional one-time boost purchases — never required, never gated
Last evaluated Sep 18, 2026
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