Looking for the Best Birthday Party Place?

Legendary Birthday Parties for Children and Adults

No one does kid's birthdays better than Lost Worlds!  From the biggest laser tag arena to the biggest party room to the most inclusive party packages and our friendly helpful Party Captains, we make birthday parties stress free, affordable and fun whether your kid is turning 5 years old or 95!

Delicious Fresh Food

Piping hot Pizzas, spicy Wings, fresh Salads, yummy Desserts and more!  Affordable food packages for your adult guests make ordering easy. 

Giant Party Room

Lost Worlds has the biggest Party Room​, and comfortably seats up to 200 Guests making it the perfect venue for your child's Big Day.  Our colorful party tables are ready for your celebration, or bring your own decorations to create that special theme!

Fun Filled Arcade and Attractions

With SpinZone bumper cars, Mini Bowling and exciting arcade games for every age included in every birthday party, Lost Worlds has the best all inclusive packages that will fit any budget.

Lost Worlds is the best kids birthday party place, whether your kid is turning 5 years old or 95!  Our all-inclusive packages fit any budget and party size from 10 to 200, or choose our Ultimate Atlantis party for Unlimited fun.  Pick the package that's right for you- the kids will have a blast while you relax and enjoy that big day!

Weekday Party Coupon

$50 Off Any Birthday Party

Valid Wednesday, Thursday and Friday

Book Online and Select the Coupon at Checkout.

Not valid with any other Discounts or Offers​

The best kids birthday party place. We have hosted thousands of parties for kids and families from Los Angeles, Hacienda Heights, Rowland Heights, La Puente, Walnut, Diamond Bar, Covina, West Covina, Whittier, El Monte, Pico Rivera, Baldwin Park, Santa Fe Springs, Irwindale, Rosemead, Temple City, Glendora, San Dimas, San Gabriel, Duarte, La Habra, Monrovia, Arcadia, Santa Anita, Azusa, Montebello, Downey, Norwalk, Pico Rivera, Long Beach, Huntington Beach, Irvine, Bell Gardens, Cerritos, Monterey Park, San Marino, Charter Oak, Sierra Madre, Alhambra, Temple City, Santa Fe Springs, Downey, La Mirada, Commerce, Pasadena, Corona, Norco, Eastvale, Riverside, Chino, Chino Hills, Placentia, Yorba Linda, Fullerton, Brea, Anaheim, Buena Park, Villa Park, Orange, Santa Ana, Claremont, La Verne, Pomona, Ontario, Rancho Cucamonga, Upland, Fontana.