In a month bereft of real holidays, August boasts a bunch of fake ones—my favorite being National Roller Coaster Day (August 16). And every major coaster in Southern Nevada is incentivizing your participation on Sunday with a promotion or discount.

The Adventuredome at Circus-Circus—home to both veteran looper Canyon Blaster and newbie hair-raiser El Loco—has extended its Coaster Cred dare until Sunday, where a ticket purchase also gets you a punch card. Ride the aforementioned coasters, as well as the park’s five big flat rides (Chaos, Disk’O, Extreme Ride Theater, Inverter and Sling Shot), and redeem your fully punched-out card for a Coaster Cred t-shirt and lanyard. The park tweaks the deal on Sunday, for the first 100 to earn their seven punches will get a National Roller Coaster Day edition of the Coaster Cred tee. (Individual Canyon Blaster and El Loco tickets: $12; all other individual ride tickets, $6-$9; all-day ride passes, $18-$32.)

Thrill-seekers seeking to brave the infamous, skyline-hugging Roller Coaster at New York-New York will score buy-one-get-one-free tickets on Sunday. That means two people can go for half-off, or solo riders get two rides for the price of one. (Regular ticket price: $14.)

Those not minding the 35-minute car ride to Primm will find a similar deal at Buffalo Bill’s, home to the airtime-blessed hypercoaster Desperado (which, by the way, briefly had the distinction of being the world’s tallest coaster in 1996). Both individual ride tickets and all-day wristbands are also buy-one-get-one-free. (Regular individual ticket price: $10. Regular all-day wristband price: $30.)

A bit of advice: Sunday’s forecast points to sunny skies, but should there be any signs of inclement weather, first check the rides’ operation status by calling their host properties.