Balatro Infinite Score Guide: How to Reach NANEINF

Seeing a score in the billions feels incredible until you discover that some Balatro players have pushed past every number the game can display, landing on what the community calls NANEINF: a score so large the engine simply outputs infinity. If you have been staring at your 5-billion-point run wondering how that is even possible, this guide breaks down exactly what is happening and how you can replicate it.

What Is NANEINF and Why Does It Happen?

NANEINF is the shorthand players use for a score that exceeds the limits of standard floating-point arithmetic. According to the Balatro Wiki entry on naneinf, the IEEE-754 standard dictates that log10(Infinity) equals Infinity, which rounds down to Infinity and displays as inf in-game. The final step in score display tries to extract a mantissa from that value, producing NaN (Not a Number) as a prefix, which is where the NANEINF label originates. In short, you have scored so many points that the game's math library has given up trying to express the result as a real number.

NANEINF score display

How Do Players Actually Reach Infinite Score?

The core engine behind every NANEINF run is xMult stacking. Unlike flat +Mult additions, xMult values multiply your existing multiplier rather than adding to it, which means each new source of xMult produces exponential rather than linear growth. Stack enough of them and you cross the threshold into infinity.

The Baron and Mime Core

The most reliable path to infinite scoring centers on two jokers working together:

• Baron gives xMult for each King held in your hand at scoring time.
• Mime copies the hand-held trigger of every joker, effectively doubling Baron's activation count.

With multiple copies of Baron and Mime in play (achieved through joker-copying effects), each King in your hand triggers xMult several times per scoring event. Scale your hand size upward using consumables or jokers that increase cards held, and every additional King multiplies the effect further.

Baron and Mime joker combo

Hand Size Manipulation

Hand size is the third lever in this setup. More cards held means more Kings visible, which means more Baron triggers per hand played. Players typically push hand size to 10 or higher before attempting the final scoring hand. Jokers and spectral cards that increase hand size are therefore high-priority pickups in any NANEINF-focused run.

What Scores Are Actually Possible?

Community records posted in Steam discussions for Balatro show single-hand scores reaching 5.66 billion before the NANEINF threshold is crossed. Once the score hits infinity, the display breaks and the run effectively has no scoring ceiling. The achievement for reaching NANEINF is a recognized milestone in the community, with players posting screenshots as proof.

How to Build Toward NANEINF: Step-by-Step

Step 1: Prioritize Scaling Jokers Early

Scaling jokers are almost universally the strongest long-term investments in Balatro. Look for jokers that grow passively over rounds rather than those that offer a fixed bonus. This foundation makes the late-game xMult explosion possible because your base numbers are already elevated.

Step 2: Lock In Your Joker Order

Joker order matters enormously. Flat +Mult additions should appear before xMult jokers in your joker slots so the multiplied value is as large as possible when the xMult jokers fire. Placing Baron and Mime at the end of your joker row ensures they multiply the fully accumulated +Mult total.

Step 3: Acquire Multiple Baron and Mime Copies

This is the hardest part of any NANEINF run. You need joker-copying effects, which are rare. Keep an eye on spectral cards and specific shop offerings that can duplicate jokers. Each additional Baron or Mime copy accelerates your xMult growth toward the overflow threshold.

Step 4: Stack Kings and Expand Hand Size

Once Baron and Mime are in place, shift focus to filling your deck with Kings and increasing your hand size. Use tarot cards to remove low-value cards and improve deck consistency. A hand of 10 cards where 5 or more are Kings will generate xMult values that compound into the billions within a single scoring event.

King-heavy hand for Baron xMult

Step 5: Choose the Right Hand Type

Hand selection still matters even in a NANEINF build. Pairs are a reliable and consistent choice for triggering held-card effects repeatedly. Full House, despite sounding powerful, is widely considered one of the weakest builds in the game because it demands too many specific cards and delivers inconsistent results compared to simpler hand types.

Economic Foundations That Support NANEINF Runs

Reaching NANEINF requires surviving long enough to assemble the pieces, which means your economy needs to be solid throughout.

• Keep your bank balance at $25 whenever possible to maximize interest earnings ($1 per $5 held).
• Only purchase shop items that directly advance your Baron-Mime strategy or keep you alive.
• Gold cards and gold chip enhancements add small amounts of money each round, which compounds into meaningful totals over a long run.
• Skipping the first blind is a viable opening move if the reward accelerates your setup.

Why +Mult and xMult Are Not the Same

One of the most important mechanical distinctions in Balatro is the difference between +Mult and xMult. Many newer players treat them as equivalent, but the math is completely different:

• +Mult adds a fixed value to your multiplier total.
• xMult multiplies your entire current multiplier by a factor.

If your multiplier is currently 100 and you add +50 Mult, you reach 150. If you instead apply x2 Mult, you reach 200. Chain three x2 Mult sources and you reach 800. This exponential behavior is why Baron and Mime can push scores into infinity while flat +Mult jokers, no matter how many you stack, will never get close to NANEINF on their own.

What Most Players Miss About NANEINF Runs

The biggest misconception is that NANEINF requires luck above everything else. In reality, the setup is specific but learnable. The key insights that separate players who reach it from those who do not:

• Deck thinning is essential. Remove cards that do not contribute to your Kings or hand type using tarot cards like The Hanged Man.
• Plan around boss blinds. Some boss blinds directly counter held-card strategies. Knowing which blinds are coming lets you adjust your hand composition before it is too late.
• Watch experienced players. The Balatro community has produced detailed run breakdowns that show exactly how joker interactions chain together. Observing these runs teaches you timing and sequencing that written guides cannot fully capture.

For more strategy breakdowns across other titles, you can browse more guides on GAMES.GG to keep building your gaming knowledge.

Key Takeaways

Reaching NANEINF in Balatro is one of the most satisfying achievements the game offers. The path there is consistent: build your economy early, acquire Baron and Mime copies, expand your hand size, fill your deck with Kings, and let exponential xMult do the rest. The scoring system literally cannot keep up.