Training and outdoor tips, monthly
Seasonal advice and new arrivals. Unsubscribe in one click.
Free UK delivery · Free 30-day returns · sportium.co.uk@gmail.com





Every order ships free with tracking. Timings are on our delivery page.
Email us with your order number within 30 days of delivery and we will send a prepaid returns label. Refunds go back to your original payment method.
Tell us the sport, your level and the measurements that matter at sportium.co.uk@gmail.com and we will help you choose.
Stack 52 HIIT Interval Workout Game is a deck-based, military-designed system that turns short, science-backed HIIT sessions into a competitive, portable card game for all fitness levels.
Built by a military fitness expert, the Stack 52 game combines interval training principles with strategy cards and video-guided exercises so you can get efficient, varied workouts without equipment or gym memberships. Sessions are short, scalable, and designed to reduce boredom by randomizing exercises and adding game mechanics for solo or group play.
Because the workouts follow high-intensity interval training (HIIT) patterns, they are optimized for short, effective sessions that focus on metabolic intensity and progressive challenge. Individual results vary, but you’ll appreciate measurable improvements in stamina and calorie burn when you train consistently several times a week.
The Stack 52 deck combines exercise cards, strategy cards, and clear video demos you access by scanning with a smartphone. No equipment or prior planning is required—shuffle, draw, and follow the intervals to begin your session immediately.
Stack 52 is designed as a flexible fitness tool: use it as a full workout when time is limited or as a complement to strength training and sport-specific routines. The game’s no-equipment structure makes it ideal for travel, quick morning sessions, or active recovery days.
Randomized draws and strategic play ensure you rarely repeat the same sequence twice. As you advance, increase interval intensity, add rounds, or use the game’s higher-difficulty strategy cards to keep progression consistent and engaging.
Who is this for: Stack 52 is aimed at busy adults, travelers, athletes on the go, and families who want structured, short, and motivating workouts without equipment or memberships. It suits beginners who need guided progress and advanced users who want quick, high-intensity sessions with a tactical twist.
Q: Do I need equipment to use Stack 52?
A: No—Stack 52 requires no equipment. Workouts use bodyweight movements and optional progressions shown in the video demos.
Q: How long are typical workouts with the game?
A: Most sessions last between 4 and 20 minutes, with scalable difficulty to fit beginner through elite fitness levels.
Delivery: free and tracked to addresses across the UK, with no minimum spend. We email your tracking link as soon as your order is dispatched; timings are on our delivery page.
Returns: 30 days from delivery to return an unused item in its original packaging free of charge, with a prepaid label. This is on top of your 14-day legal right to cancel, and your Consumer Rights Act protections for faulty goods.
Damaged or wrong item? Email us a photo at sportium.co.uk@gmail.com and we will replace or refund it.
Seasonal advice and new arrivals. Unsubscribe in one click.
Thanks for subscribing!
This email has been registered!
| Product | Description | Collection | Availability | Product type | Other details |
|---|