Steam app 3959050 · updated 12 Sep 2026, 19:15 UTC
Upgrade your turtle, recruit cute animals like unicorns, giant squids, otters and more, and blast through waves in an idle roguelite auto battler! Swim farther with each run, unlock new skills, and get closer to home every time you grow stronger.
719 hourly samples, with the daily peak drawn over them. Weekends are shaded.
11 months, November 2025 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 436 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
12 days as the curve, each the highest figure that day. Behind it, 283 hourly samples. Each dip is a night. Weekends are shaded.
Siegeturtle was released on 10 Nov, 2025.
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| Traditional Chinese |
A blank audio cell means full audio was not marked in the returned language list.
74 achievements in total.
50 developer announcements, Nov 2025 to Apr 2026 · times in UTC
v1.2.1 is released!Space OctopusA new ascension upgrade has been added. There was an upgrade that allows you to catch extra fish, but I received feedback that some people find the pearl catches more valuable, and extra fish catches not…
YYZ StudioHey everyone!v1.2.0 is out!This update brings a big Home and Equipment revamp, along with new companions 🦀, new potion features, and a few quality-of-life improvements.Permanent and Cheaper Home Stat UpgradesThere was a lot of feedback on…
YYZ Studiov1.1.30 is released!I improved the speed breakdown tooltip as it has caused confusion regarding how speed is calculated.In the next update I will also add a tooltip to jetpack speed as it was thought to not tally, but it was actually higher…
Patch notesv1.1.29 is released!Steam achievements now sync when opening achievements UIAll stats leaderboard now accounts for 'All stats' GP bonusFix book equipment appearing in non-experimental modeFix turtle Jetpack visible in dreamsand islandFix…
Patch notesv1.1.28 is released!Happy New Year everybody!New Cursor Skins!In response to feedback that it is difficult to see the cursor later in the game, the game now has turtle skins which you can change from the Turtle Customization screen!The…
Patch notesv1.1.27 is released!Merry Christmas everybody!Dreamsand Island is gonna look a lil different in this update!But aside from some visual changes, some improvements have also been made~ Better Auto GPAuto GP is now even smarter than before.…
Patch notesv1.1.25 is released!Fixed a bug with upgrade costs when pearl levels get too high and caused an integer overflow.They now work as intended:Changelog:Fix lv 28 pearl upgrades negative pearl costDisplay NaN if numbers get weirdFix issue on…
Patch notesv1.1.24 is released!Auto-GP now works when window is minimizedPreviously it would only work when the window is open, which was not intuitive, so now it will always work as long as 'A' is enabled.Changelog:Auto GP now works when window is…
YYZ Studiov1.1.23 is released!Engineering NotationNumber formats has been changed from a checkbox to a dropdown to allow more expansive options, including the new Engineering Notation.Improved autocast toggle visibility icon on passivesWhen disabling…
YYZ Studiov1.1.22 is released!Fixed an issue where \ modes would buy 1 more stat. This happened because previously, having the %all stat ascension ability would cause rounding errors that made it under-buy by one stat. That issue was fixed in…
YYZ Studiov1.1.21 is released!I noticed people had tons of potions and even managed to get high uptimes on them such that the numbers would easily go beyond 9999, so I have improved the display formats for long duration buffs.e.g. Instead of showing…
YYZ Studiov1.1.20 is released!Changelog:Fix turtle stats window frozenFix turtle stats sometimes not recalculating after One Life challenge completionAdd notice to mention experimental content is subject to rebalancing changesI've been putting out…
YYZ Studiov1.1.19 is released!New Ascension Ability!I received feedback about late-game fishing capping out on sell speeds. Although this was intended as I think it's cool to be able to max a feature and not bother with it, it also led to some early…
YYZ Studiov1.1.18 is released!Auto-level is now smarter. It previously distributed unevenly if you had multiple auto stats enabled, but now it attempts to distribute to the cheapest stat, so over time it will reach the same level. If two stats cost…
YYZ Studiov1.1.17 is released!Changelog:Max equips in inventory capped at 19999 to prevent lag, excess loot are auto-dismantledAncient sentinel summon cost x2.5Ancient equipment shard value x2Fix file playtime stat not increasing properlyExperimental…
YYZ Studiov1.1.16 is released!Auto-spend GPNew buttons have been added to the GP window!You may now auto-level growth stats by toggling the \ button in the GP window. Said stats will level up if you have enough GP to level them up.Sproutling…
YYZ Studiov1.1.15 is released!Several feedback mentioned that MP and the INT stat becomes something that becomes irrelevant after the early game. In experimental mode, the MP cost of skills have been increased.Experimental mode will undergo a few…
YYZ Studiov1.1.14f1 is released!Experimental Mode Fast Clear Boss Dungeon Mode:Fix issue where selecting a lower level boss dungeon gave rewards of the highest dungeon boss while consuming the lower tier's boss's darkness summon cost.Hotfix has been…
Patch notesv1.1.14 is released!Mostly fixes to experimental mode that was released yesterday!Changelog:Fix reroll button not showing updated available rerolls when new rerolls are acquiredExperimental Mode fixes:Fix cherries not carrying over across…
YYZ StudioExperimental Mode now available!You can toggle it from the main menu anytime.You are strongly recommended to backup your savefile before enabling it, as experimental content is... experimental.This is a significant update that introduces…
YYZ Studiov1.1.12 is released!Changelog:Auto-buy now only buys up to next enhancement if on \ or \Auto-buy now uses current multi-buy amount when enabled (e.g. if set to x50, it will autobuy x50 only, and only when x50 is affordable)Level growth stat…
YYZ Studiov1.1.11 is released!A few improvements have been made to make certain preferences persist after ascension so you don't have to toggle them again.The highlight over the ascend button no longer shines after the first ascension as it assumes…
YYZ Studiov1.1.10 is released!New shortcut keysToggle walking has a new shortcut key, 'W'.A new keybind for it has been added so you can customize it.'U' also now works in the ascension screen to upgrade abilities.Plus Minus buttons added to…
YYZ Studiov1.1.9 is released!Jetpack toggleThe previous update made everygrowth apply to all skills, but sometimes you may not want to have jetpack enabled as it loses out to Kingfisher's dash at early levels.Thus you can now toggle jetpack on/off…
YYZ Studiov1.1.8 is released!Evergrowth now works even with level 0 skills!Previously, you would have to add passives to level 1 to benefit from Evergrowth. This was to prevent an exploit where everything would start at high levels before you unlock…
YYZ Studiov1.1.7 is released!Made some fixes to issues from yesterday's patch.I am working on improving Evergrowth in future, to work with even level 0 passives, as long as you have unlocked the companion for it.This way, you get its full effects…
YYZ Studiov1.1.6 is released!Retroactive ShroomieShroomie's GP bonus is now retroactive!This means most of you get a bonus amount of GP when you level up the skill after today's update.There was a lot of discussion on this and even strategies to get…
YYZ Studiov1.1.5 is released!Some of you wanted to see how long your run took. This stat was previously visible in the ESC screen, but I received feedback that it wasn't obvious, so the run duration has been added to the death screen.I am currently…
YYZ Studiov1.1.4 is released!Master volume settingsAdded master volume settings as there were requests for this.Fixes applied from recent hotfixes:Fix auto-enhancements spamming 'Not enough dark matter' messageFix enhancements giving gold instead of…
YYZ Studiov1.1.3f1 is released!I am currently working on the possibility of increasing gold beyond the game's floating point limit. However this caused some bugs in the process. I have put this out to fix them.Fix bug where all attribute numbers and…
Patch notesv1.1.3 is released!New modes to buy to next enhance levels!I have added two new modes for multi-purchase:\ which buys what is required to reach the next enhancement.\ which buys the maximum you can afford to reach the highest affordable…
YYZ Studiov1.1.2f1 is released!Just fixing issues before I go to bed. Tomorrow's update will have more significant stuff!The main fix was:'Fix bug where objectives and cards re-appeared after the 3rd and 5th ascension respectively'.If you've already…
Patch notesv1.1.2 is released!Double right clicking now downgrades skillsThe previous update added double left click to upgrade.Now we have double right click to downgrade.Plenty of fixesSeveral fixes were made in this update. Thank you to everyone…
YYZ StudioHi all!An update has been to Cloud Save to support syncing save files between different OS - such as from Steam deck to PC and vice versa.If you use multiple devices, you might be prompted to select between your local and cloud save. The…
YYZ Studiov1.1.1 is released!A couple of quality of life changes have been added and outlined for future updates! Read more below.Double clicking now upgrades skillsThis is self-explanatory, but it also works with SHIFT and CTRL so holding them while…
YYZ StudioChallenges MAJOR UPDATE released!I am proud to announce the first MAJOR UPDATE for Siegeturtle has been released! 🎉This is not the end yet, stick around to view the roadmap~For the past 2 weeks, the game has received 13 days of daily…
YYZ Studiov1.0.13 is released!Level up all fishing upgradesYou can now level up all fishing upgrades with one click!AFK ModeAside from toggling afk mode with F11, a dedicated button (and tooltip) is now added.Boss Dungeon difficulty prediction & name…
YYZ Studiov1.0.12 is released!Today's update makes minor changes to skill cooldowns in response to feedback I've gotten.Some of you want to cast skills manually, but skills that have reached 0 seconds cooldown no longer appear in the cooldown tray…
YYZ Studiov1.0.11 is released!Double click to equip/unequipYou can now un-equip your gear by double clicking them.Likewise, double clicking an equipment in your inventory automatically equips it. This should reduce the need to move your mouse. So…
YYZ Studiov1.0.10 is released!Today marks the 10th day in a row of daily updates! Holy cow! Thank you everyone for sharing your thoughts.The 'Hidden Power' ability has been revamped. Since it contains spoilers of the final ability, for those who do…
YYZ Studiov1.0.9 is released!Hello all! Today's daily update improves growth stats, making them cheaper and more powerful.New Milestone Bonus!Milestones now increase starting skill points at start of each ascension (first 3 stages)There has been a…
YYZ Studiov1.0.8 is released!Hello all! Today's daily update improves growth stats, making them cheaper and more powerful.Level Up Rebalancing1) Gold% will be increased from 1% -> 3%2) All Stats +1 will be cheaper (3 GP -> 1 GP)3) Flourish skill is…
YYZ Studiov1.0.7 hotfix released!A very hot hotfix has been deployed out of the turtle's oven to fix some changes. Thank you for those who messaged me early!Full changelog:Fix an issue where returning home or reloading the game after expanding the…
Patch notesv1.0.7 is released!New Resource PanelsI received feedback here and on Discord that you guys want to see your resources more easily, but at the same time keep the UI clean, so a toggle has been added to let you display more resources!You can…
YYZ Studiov1.0.6 is released!This marks the fifth day in a row of daily updates.First of all thank you everyone for playing Siegeturtle. I've been reading your feedback and am happy to announce two progression improvements in this update! :)Bonus…
YYZ Studiov1.0.5 is released!I will try to put out daily updates as far as I can to address feedback. Today's update focuses on tooltips but tomorrow's update will contains some bigger changes to ascension rewards and introduce companion…
YYZ Studiov1.0.4 is released!All Stats GP cost reduced'All stats +1' GP base cost has been reduced from 10 to 3 per level.Reset GP abilityYou can also reset your GP spent. It has a cooldown of 1 hour. This is to prevent exploits with the Sproutling…
YYZ Studiov1.0.3 is released!Purplesand & Home Upgrades Improvements!Offline progress for a game like that has always been difficult to design. I initially tried estimating SP and gold and EXP gains, but in a complex game where many factors (potions…
YYZ Studiov1.0.2 released~Speed value was displayed wrongly on cards so I have fixed it! (Actual value is 0.005m/s, but card would display 0.05m/s)Additionally, pressing F11 will now toggle graphics - which can save performance.It seems things are…
Patch notesv1.0.1 released~Launching Siegeturtle has stirred a lot of emotions in me. I was reflecting on my life. Work. Career. Friendships.Somehow, even though I've launched Siegeturtle and people are telling me I should feel happy, I did feel a…
Patch notesWhat Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | Siegeturtle.exe | windows 64 | ||
| Launch | Siegeturtle.app | macos | ||
| Launch | Siegeturtle | linux |
The folders Steam Cloud syncs. The root is a token Steam uses for a location on your own machine, not a path this page can know.
| Root | Folder | Files |
|---|---|---|
WinAppDataLocalLow | YYZStudio/Siegeturtle | * |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG