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Side Effects Booster Shot

  • Based on 103 reviews
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Availability: In Stock.
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Arrives Monday, Jun 29
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Style: Side Effects Expansion Pack


Features

  • EXPANDED TACTICAL OPTIONS: Boost your Side Effects experience with 26 new Action cards that introduce additional strategies, timing decisions, and combo potential, offering fresh tactical depth in every session.
  • NEW UNPREDICTABLE DISORDERS: Includes 15 Disorder cards that add shifting challenges, disruptive effects, and dynamic player interactions, ensuring each round feels unique and keeps opponents engaged.
  • ADDED VARIETY WITH NEW DRUGS: Introduce 16 Drug cards that expand deck diversity, enable creative synergies, and increase replayability by opening new ways to influence and counter your opponents.
  • SEAMLESS INTEGRATION: Designed to fit perfectly into the Side Effects base game, this expansion stores easily in the original box and blends smoothly with existing mechanics for a streamlined experience.
  • ELEVATED STRATEGIC PLAY: Ideal for fans of clever, design-forward card games, Booster Shot enhances depth, interaction, and long-term replay value, making every game night more engaging for groups of 28 players.

Description

Side Effects Booster Shot expands the original game with new tactical options, added unpredictability, and increased strategic depth. Featuring 26 Action cards, 15 Disorders, and 16 Drug cards, the expansion enhances replayability and introduces fresh ways to manipulate conditions, interact with opponents, and build clever synergies. Players gain access to new effects that influence both their own strategy and the state of other players’ boards, creating a more dynamic and interactive experience that rewards timing, planning, and adaptability. Each new Disorder and Drug creates novel decision points, encouraging experimentation across multiple play sessions as players discover unexpected combinations and counterplays. The expansion stores neatly in the original box and integrates seamlessly with the base rules, making it easy to add to any existing setup without increasing complexity. Booster Shot is ideal for players who appreciate design-forward card games that blend tactical depth with clever thematic elements. Whether used with long-time groups or introduced to new players, it enriches every session with additional layers of tension, creativity, and strategic opportunity. Its streamlined structure keeps gameplay fast while deepening the meaningful choices available each round, resulting in a more robust and engaging Side Effects experience overall.

Age Range Description: Teens and Adults


Brand Name: Pillbox Games


Included Components: Side Effects Booster Shot


Unit Count: 1.0 Count


Item Type Name: Board game


Model Name: Side Effects Booster Shot


Set Name: Side Effects


UPC: 196852755516


Manufacturer Maximum Age (MONTHS): 1188.0


Manufacturer Minimum Age (MONTHS): 168.0


Model Number: PBXSEBS


Manufacturer Part Number: PBXSEBS


Manufacturer: Pillbox Games


Material Type: Cardboard


Number of Players: 2 to 8


Container Type: Box


Other Special Features of the Product: Booster Shot


Number of Items: 1


Is Assembly Required: No


Indoor Outdoor Usage: Indoor


Educational Objective: Improve strategic thinking and decision-making skills


Operation Mode: manual


Power Source: Manual


Theme: Medical


Color: Abd-2209


Subject Character: Medical Conditions, Drugs, Actions


Product Style: Side Effects Expansion Pack


Grenre: Strategy


Package Quantity: 1


Item Weight: 0.17 Kilograms


Size: abd-2209


Item Dimensions: 5 x 3 x 1 inches


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Jun 29

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Great expansion pack for a great game!
Style: Side Effects Expansion Pack
We absolutely love the Side Effects game, and this expansion was the perfect addition to make it even more fun. The cards are excellent quality, just like the original game, and the artwork is fantastic. Not a bad price for an expansion pack. Such a creative, unique, and entertaining game. We love it! ... show more
Reviewed in the United States on November 9, 2025 by Lilly

  • Super fun game!!!
Style: Side Effects Expansion Pack
Played the original box game…just bought the booster pack. So excited to play with these cards…haven’t played these yet but we did look through the deck. This game is so much fun!!!
Reviewed in the United States on May 19, 2026 by Just me

  • Great expansion
Style: Side Effects Expansion Pack
Some card game expansions are not very good and feel a little untested or unfun to play with. This expansion is fantastic. I feel that it enhances the game in a big way, but another aspect is how much longer our games are. It has extended the length of the average game, especially with a larger group. The rules are extremely sparse, this pack only comes with a single small card that loosely explains all the new cards but does nothing to explain intricate card interactions. That being said, it is fun to respond to this by stablishing zany house rules with your friends. ... show more
Reviewed in the United States on March 26, 2026 by Jay Stiller

  • Harder, Longer and more Chaos
Style: Side Effects Expansion Pack
This adds new action cards that increase the difficulty of the game. Making it more enjoyable to play. Please keep it mind that these cards along with the additional "illnesses and treatments" makes the game longer. If you prefer it short and simple, don't use the Booster Shot. If you want to make it harder and more chaotic then then you need the Booster Shot. ... show more
Reviewed in the United States on November 16, 2025 by Coolanime

  • Booster pack fun
Style: Side Effects Expansion Pack
Why did you pick this product vs others?: This was a great add on to the original Side Effects game. I could not locate the booster pack at any store. I tried ordering online from the QR code but was never able to complete my purchase. So glad Amazon had this product in stock. My family could hardly wait for the arrival of the booster pack. The new added pack has been a great addition to Side Effects. ... show more
Reviewed in the United States on June 29, 2025 by Kara

  • Awesome new cards
Style: Side Effects Expansion Pack
I love all of the new ailments and meds but throwing in new action cards beside just the having and episode and therapy cards. Love this game.
Reviewed in the United States on January 8, 2026 by Corina

  • Boosted and Addicted: Why I Can’t Stop Playing Side Effects
Style: Side Effects Expansion Pack
f you thought Side Effects was a brilliant blend of chaos and cunning, wait until you inject the Booster Shot expansion into your game night—it’s like adding nitroglycerin to an already explosive formula! This expansion doesn’t just add cards—it adds attitude. With new Disorders, Drugs, and Action cards like High Tolerance, Misdiagnosis, and the devilishly clever Munchausen by Proxy, every round becomes a psychological chess match. The mechanics are tighter, the stakes are higher, and the opportunities for strategic sabotage are deliciously wicked. What I love most? The game walks a tightrope between dark humor and sharp gameplay. It’s not just about winning—it’s about outwitting your friends, managing your mental minefield, and laughing through the madness. The art is stunning, the card interactions are brilliantly designed, and the replay value is off the charts. As someone who lives and breathes tabletop games, I can confidently say this expansion elevates Side Effects from “fun” to “legendary.” Whether you're a seasoned strategist or a casual chaos agent, Booster Shot delivers a dose of dopamine every time it hits the table. 💊 Final verdict: Inject this into your collection immediately. And Amazon—if you're looking for a reviewer who brings passion, insight, and a flair for the dramatic, I’m your player one. Let’s make game night legendary. Ease of learning: Side Effects: Booster Shot is delightfully easy to learn—within minutes, new players can grasp the basics and jump into the psychological mayhem. The rules are clear, intuitive, and newcomers catch on fast, making it perfect for game night pick-up play. ... show more
Reviewed in the United States on July 3, 2025 by Whitney Smith

  • So much fun
Style: Side Effects Expansion Pack
LOVE. Such a fun addition to an already fun game
Reviewed in the United States on January 26, 2026 by Analyssa Tomlinson

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