$345 for 10 Players - Seating for 18

$470 for 15 Players - Seating for 36 

$25 Each Additional Player - Call for more than 25

$445 for 10 Players - Seating for 18

$595 for 15 Players - Seating for 36 

$30 Each Additional Player - Call for more than 25

Triton's Mini Adventure Includes​​

  • 1 Laser Tag Mission
  • $5 Arcade Card per Player
  • SpinZone Bumper Car Ride
  • ​MiniBowling Game
  • 2 Slices of Pizza per Player
  • ​2 Pitchers of Soda per 10 Players
  • Buy 1 Get 1 Free Pass for Future Visit
  • Decorated Party Table & Tableware
  • Party Captain to Host Event 


  • Recommended for Younger Players

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.  

Our Birthday Party Packages:

Triton's Mini Adventure

1.5 Hours Reserved Seating in Cafe Area

Party Details

Laser Tag recommended for age 5 and up.

​Adults may play Laser Tag at additional charge.

Price does not include sales tax or gratuity.

No outside food or drink allowed.

Store-bought cakes or cupcakes are welcome.

See the Laser Tag page for game details.

See our Menu for additional food choices.

Ultimate Atlantis

2.5 Hours in the Party Room

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!

Neptune's Grand Expedition Includes

  • ​​2 Laser Tag Missions
  • $10 Arcade Card per Player
  • SpinZone Bumper Car Ride
  • ​MiniBowling Game
  • Lost Land Adventure Game
  • 2 Slices of Pizza per Player
  • ​2 Pitchers of Soda per 10 Players
  • 250 Tickets for VIP Guest
  • Buy 1 Get 1 Free Pass for Future Visit
  • Decorated Party Table & Tableware
  • Party Captain to Host Event
  • ​All You Need is Kids & A Cake!

Neptune's Grand Expedition

2 Hours in the Party Room

$245 for 10 Players- Seating for 18

$345 for 15 Players - Seating for 36 

$20 Each Additional Player - Maximum of 20

Birthday Party Frequently Asked Questions (FAQs)

Need more information about our Legendary birthday parties?  Call us or click on the link below to see the most common questions and their answers.

Ultimate Atlantis Includes

  • ​​3 Laser Tag Missions
  • Pick Your Own Laser Tag Code Name
  • Parent Plays Free
  • Unlimited Video Games During Party
  • Play any 10 Prize or Ticket Games
  • SpinZone Bumper Car Ride
  • ​MiniBowling Game
  • 2 Slices of Pizza per Player
  • ​2 Pitchers of Soda per 10 Player
  • 1 Decorated Cupcake per Player
  • 500 Tickets for VIP Guest
  • Buy 1 Get 1 Free Pass for Future Visit
  • Decorated Party Table & Tableware
  • Party Captain to Host Event

Birthday Party Prices

Booking Details

Book online, by phone or in person.

Reservation and 50% deposit required.

14 day advance cancellation policy. 

7 day advance reschedule policy.

25 or more Players cannot be booked online.

Please call to plan your big party.

Private Missions available for 30+ Players.

Extra table requires $250 in extra purchases.

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​