Steam
STONKS-9800: Stock Market Simulator
Also known as STONKS-9800: Stock Market Simulator, s9sms, steam:1539140
Simulator of an 80s Japanese stock market businessman. Chill, catch a retro vibe and watch your profits grow in the text-based game STONKS-9800.
Last update
30 Jun 2026
Players now
57
Latest update
Update history
Browse past updates and patch notes for this game.
23 updates
June 2026
- Update 0.10: Family TiesA major new update (DEFINITELY the last one before the full release of version 1.0) – you can now enter into a marriage of convenience, meet your friends’ relatives, and evade corporate tax through charitable donations.…
May 2026
- Update 0.9.2New wealth overview window - easily see what makes up your fortune: company shares, car collection, real estate, and more. Bank deposits are now included in your total fortune. Minor under-the-hood improvements to marke…
April 2026
- Workshop hotfixThe Workshop should now be working as before, and the old sprite links should work. - Portuguese translation updated - Fixed some other crashes
- HotfixThe counter for the company's reverse stock split is now working - Fixed an error "invalid date conversion" - Fixed some inaccuracies in the descriptions
- Update 0.9.1: New save system and moreSave system reworked - each save slot is now tied to a specific game run/character. Inside each slot, you can have up to 10 manual saves, 10 autosaves, and 5 recent quick saves, all within that single playthrough. Loan…
March 2026
- Another hotfixFixed a crash that occurred when using an item - Fixed an issue where the game failed to save the friendship level with Sae to the save file - Updated the Chinese localization
- Texas hold 'em hotfixSorry
- Update 0.9: New Character, Blackjack, Advanced Horse RacingA new character, Sae, is now available at the bar. She works as a bartender — you can chat with her, get horse racing tips, build friendship, and play blackjack for special rewards. Friendship doesn’t provide gameplay b…
February 2026
- Working on the game: small patchesOver the past month, I’ve been pushing a lot of small updates with various fixes. They might not be very noticeable, but the game should be more stable overall now. I’m also actively working on the Story Mode and hope t…
January 2026
- Various situations that could cause game crashes have been fixed. For example, iVarious situations that could cause game crashes have been fixed. For example, if the game was left in sleep mode on a PC. Also, the “buy all properties” button should no longer sometimes display “empty” broken properti…
December 2025
- A new Christmas outfit for Amy has been added! To see it, you’ll need to own a company, have a certain level of friendship with Amy, and reach Christmas in-game. You can now choose Amy’s default outfit from among the un…Store
Gallery
In-game media
Achievements
Community progression
Top picks from 265 Steam achievements, sorted by player unlock rates.
- Profit Prodigy 1Get more than ¥1M net profit per month.59.0%
- Cash Catcher 1Accumulate ¥5M on my account.58.3%
- I don't have many friends 1Make 20 contacts.56.7%
- Initial Dream CarBuy the first car.55.4%
- Stonks! 1Receive dividends in the amount of ¥1M from one company.54.5%
- Rest is importantTake a vacation54.4%