A roguelite idle-like roller coaster sim where you draft track segments, recruit riders, and combo card upgrades between rounds, then watch the thrill scores spiral gloriously out of control. Physics optional.

Roller Coaster Looper is a roguelite idle-like coaster-builder where strategy happens in the shop and satisfaction happens on the track.<br><br>Between rounds, you browse a rotating market of track segments, eccentric riders, and decorations. Then watch your choices play out as your coaster loops endlessly, stacking thrill multipliers and generating increasingly unhinged reactions from your passengers.<br><br><span class="bb_img_ctn"><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542630/extras/d4fc310065061a42c03f8975a4493247.avif?t=1776402198" data-big-src=https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542630/extras_big/d4fc310065061a42c03f8975a4493247.webp?t=1776402198 width=1560 height=139 /></span><h2 class="bb_tag" >Build the Loop</h2>Draft from 24 unique track segments each with distinct thrill values and special effects. Slow Burn ignites with every loop. The Slingshot launches into the next segment for bonus multipliers. The Haunted Stretch slowly fades away over time. Every purchase shapes the run.<br><br><span class="bb_img_ctn"><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542630/extras/4e684f77576e5baed85738264cdb8c40.poster.avif?t=1776402198" width=1170 height=222 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542630/extras/4e684f77576e5baed85738264cdb8c40.webm?t=1776402198" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542630/extras/4e684f77576e5baed85738264cdb8c40.mp4?t=1776402198" type="video/mp4"></video></span><h2 class="bb_tag" >Recruit the Riders</h2>Fill your train with any of the 29 waiting riders, each with their own personality, synergies, and scoring quirks. The Gambler has a 20% chance to triple their score (or nothing). The Dare Devil loves inversions. The Conductor is a robot rider that is more thrilled the longer the train gets. Matching the right riders to the right track is how the big numbers happen.<br><br><span class="bb_img_ctn"><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542630/extras/3e5fbc446f86cefd9f93fd437f6232b5.poster.avif?t=1776402198" width=1170 height=500 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542630/extras/3e5fbc446f86cefd9f93fd437f6232b5.webm?t=1776402198" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542630/extras/3e5fbc446f86cefd9f93fd437f6232b5.mp4?t=1776402198" type="video/mp4"></video></span><h2 class="bb_tag" >Stack the Cards</h2>Discover and activate card modifiers that bend the rules across an entire run. Boost specific rider types, unlock combo chains, multiply thrill in exponential ways. Card packs game changing but expensive, crack them open and adapt your strategy on the fly.<br><br><span class="bb_img_ctn"><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542630/extras/5138463e1fb919d60e70eeade3ff514b.poster.avif?t=1776402198" width=1170 height=446 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542630/extras/5138463e1fb919d60e70eeade3ff514b.webm?t=1776402198" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542630/extras/5138463e1fb919d60e70eeade3ff514b.mp4?t=1776402198" type="video/mp4"></video></span><h2 class="bb_tag" >Survive 12 Rounds</h2>Each run is 12 rounds of escalating goals. Meet the thrill target, keep your riders happy, and don't lose all your stars. Every third round, a boss modifier changes the rules: bigger requirements, new constraints, and a reward for winning. Make it to the end of Round 12 and you've built something special.<br><br><span class="bb_img_ctn"><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542630/extras/9f4091efad71c6fa2be8eda4cbfb5c9f.avif?t=1776402198" width=1170 height=170 /></span><h2 class="bb_tag" >Earn While It Loops</h2>While your coaster runs, a lightweight idle layer runs with it. Tap decorations to generate bonus thrill and XP. Level up during the ride to earn Win Points, then spend them on run-scoped upgrades: crank up simulation speed, boost base thrill per segment, or juice your click power even further. Veterans start each run with more Win Points based on how many unique win combinations they've racked up. It's entirely opt-in: ignore it and you'll still finish the run. Lean into it and the numbers get very silly very fast.<br><br><span class="bb_img_ctn"><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542630/extras/e34336619dae68e71664fe4108a3e4e9.poster.avif?t=1776402198" width=1170 height=300 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542630/extras/e34336619dae68e71664fe4108a3e4e9.webm?t=1776402198" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542630/extras/e34336619dae68e71664fe4108a3e4e9.mp4?t=1776402198" type="video/mp4"></video></span><h2 class="bb_tag" >Keep Building Between Runs</h2>A Research Lab of challenges tracks your lifetime accomplishments and unlocks permanent upgrades. New rider types, new segment variants, new decorations to add, new card archetypes. Each run means your next run will have even more options.<br><br><span class="bb_img_ctn"><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542630/extras/1e9c367f6056478e046aeddc66268316.poster.avif?t=1776402198" width=1170 height=292 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542630/extras/1e9c367f6056478e046aeddc66268316.webm?t=1776402198" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542630/extras/1e9c367f6056478e046aeddc66268316.mp4?t=1776402198" type="video/mp4"></video></span><br><br><ul class="bb_ul"><li> 24 track segments with unique effects and synergies<br></li><li> 29 riders with distinct synergies, personalities, and scoring behaviors<br></li><li> 23 kinds of decorations that excite riders even more<br></li><li> 41 cards to discover and combo across a run<br></li><li> 8 coaster types that grant you a unique bonus with 8 levels of difficulty for each<br></li><li> 12-round structure with boss modifiers and escalating goals<br></li><li> Research Lab meta-progression across runs<br></li><li> Infinite Mode after clearing Round 12</li></ul><br><i>Physics not relevant. Screaming is optional but recommended. Structurally questionable, emotionally thrilling.</i>

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Roller Coaster Looper Achievements