Ideation
Brainstorm, evaluate, and select ideas that judges love and you can actually build.
The Little Alchemy Method
The ideation methodology behind $100K+ in hackathon prizes. Inspired by the game Little Alchemy, you start with basic elements, combine them, and discover winning ideas.
In Little Alchemy, you start with four basic elements like fire, water, earth, and air, then combine them to create new items like steam, lava, or life. You keep mixing your discoveries to unlock hundreds of different things, from windmills to the internet.
Hackathon ideation works the same way. Instead of natural elements, your building blocks are technologies and industries. Combine them, and winning ideas emerge.
combine
combine
The method is simple: Start with 20-30 different elements and just try randomly combining things together. Most combinations won't work, but the magic is in the volume, because the ones that do are often brilliant.
Try It Yourself
Drag elements from the shelf into the workspace, then drop them on top of each other to discover winning hackathon ideas.
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Drag elements into the workspace below to combine them
TECH
INDUSTRIES
Drag elements here, then drop them on each other
Double-click a workspace element to remove it
Combinations in Action
Here's exactly how the Little Alchemy method produced ideas that won major hackathons. Each winning project started as a simple combination.
Step 1
Step 2
Seems simple right? That's the point. The best hackathon ideas aren't complex. They're clear combinations that nobody else thought to make.
Now watch what happens when you swap out a single component. The same base combination spawns entirely different ideas:
Same tech combination, different industry. One swap turns a 911 dispatcher into a mental health support line.
Swap out the industry for another tech element. LLM directs video generation for rapid ad prototyping.
AdaptED
LA Hacks
Best Use of Google
DispatchAI
UC Berkeley AI Hackathon
Grand Prize
TalkTuahBank
HackUTD
1st Overall + Goldman Sachs
All three projects were born from the same method of listing elements, combining them, and letting unexpected connections emerge. It works because it forces you to think across boundaries instead of within them.
Why This Works — The Science of Combinatorial Creativity
The Little Alchemy method isn't just a personal hack. It's backed by decades of research from the world's best thinkers on creativity and innovation.
“Creativity is just connecting things. When you ask creative people how they did something, they feel a little guilty because they didn't really do it, they just saw something. It seemed obvious to them after a while.”
Jobs argued that broader experiences give you more “dots” to connect. The more diverse your element list, the more unexpected and powerful your combinations become.
“The creative act is the perceiving of a situation or idea in two self-consistent but habitually incompatible frames of reference.”
Koestler coined “bisociation” to describe creativity as the collision of two independent mental frameworks. That's exactly what happens when you cross “LLMs” with “Defense.”
“Good ideas are not conjured out of thin air; they are built out of a collection of existing parts… the adjacent possible.”
Innovation lives at the edge of what's currently feasible. The best hackathon ideas use tools that just became possible, like a new API, a freshly released model, or a just-opened dataset.
“Live in the future, then build what's missing. The verb you want to be using with respect to startup ideas is not ‘think up’ but ‘notice.’”
The Y Combinator co-founder argues the best ideas come from your own experience. What frustrates you? What gap do you see that others miss? Combine that personal insight with your elements.
Building Your Element List
Before you can combine, you need inventory. Here's how to assemble 20-30 high-quality elements before the hackathon even starts.
- LLMs (GPT-4o, Claude, Gemini, Llama)
- Speech APIs (Twilio, Deepgram, ElevenLabs)
- Vision models (YOLO, SAM, GPT-4V)
- Generative media (Veo, Suno, Midjourney)
10-15
tech elements minimum
- Healthcare, mental health, eldercare
- Education, tutoring, accessibility
- Finance, banking, insurance
- Defense, emergency services, public safety
5-10
industries minimum
- Sponsor APIs and required tech (free credits = advantage)
- Trending topics (what's viral this week?)
- Personal pain points and hobbies
- Weird constraints (“What if it had to be voice-only?”)
5+
wild cards for spice
Linus Pauling — Two-Time Nobel Laureate
“The best way to have a good idea is to have a lot of ideas. You aren't going to have good ideas unless you have lots of ideas and some principle of selection.”
Don't filter while building your list. The goal at this stage is volume, not quality. You'll prune later.
The Wandering Mind
The best hackathon ideas don't come from staring at a blank screen. They come when you let your brain wander, and there's hard science behind why.
Rapid Context Switching
TFT forces you to switch gears constantly. One second you're focusing on your board, the next you're back to your idea list. This rapid mental shifting is what sparks the unexpected connections that lead to the best hackathon ideas.
Built-in Downtime
Unlike Valorant or League, TFT gives you long pauses between rounds that are perfect for jotting down quick ideas. Ever tried thinking up a startup idea while mid-clutch in Valorant? Doesn't work.
You don't have to play TFT. The principle is: pair ideation with any activity that keeps your hands busy and your brain free, like cooking, cleaning, gymming, or walking. Let your brain wander, and the best ideas will come to you.
Professor Barbara Oakley's research on learning reveals two distinct thinking modes:
Focused Mode
Concentrated, sequential thinking. Good for executing on known problems. This is you at the whiteboard trying to force ideas.
Diffuse Mode
Relaxed, broad, associative thinking. Supports novel connections. This is you walking to the coffee shop when the idea suddenly hits.
“Sometimes backing off can be the best thing you can do when learning something new.”
In 1939, advertising pioneer James Webb Young formalized a repeatable process for idea generation that still holds today:
- 1Gather — Collect raw material, both specific knowledge of the problem and general knowledge from other fields
- 2Digest — Actively work the material, examine from different angles, try combinations
- 3Incubate — Set the problem aside. Let the subconscious work while you do other things
- 4Eureka — The idea appears, usually when you're not forcing it
- 5Verify — Shape and test the idea in reality, refine with feedback
Step 3 is the one most people skip, but it happens to be the most important. Building your element list is gathering. Playing TFT is incubation.
Sitting at a desk staring at a blank doc is the worst way to think of ideas. Schedule real breaks during ideation. Walk, cook, play a game, hit the gym. Your subconscious keeps working even when your conscious mind steps away. In fact, it's often better at finding the non-obvious connections.
The Ideation Toolkit
Three additional frameworks to break through creative blocks. Use these when random combining stalls or you want to push ideas further.
Run each letter on your top idea. “What if we Substituted the API? Combined with another app? Eliminated the most complex step?”
- 1Pick a random noun by opening a dictionary, using a generator, or pointing at something in the room
- 2Force-connect that word to your problem space. How is your idea like a “lighthouse”?
- 3Follow the unexpected associations, because the weirder the connection, the more original the idea
When your team is stuck in a loop of similar ideas, random input is the fastest way to break out. De Bono argued the real risk isn't being too random, but not being random enough.
Unlike interdisciplinary work (different fields collaborating), antidisciplinary thinking creates something that doesn't fit any existing category. It's the white space between the dots on a map of knowledge.
Ask Yourself
- Which field would never normally work on this problem?
- Does this idea feel uncategorizable? Good. Pursue it.
- What would happen if a musician designed this? A chef? A game designer?
The best hackathon projects often feel weird at first. “An AI 911 dispatcher?” sounded strange until it won grand prize. Lean into the weirdness.
“Creativity is just connecting things.
The broader one's understanding of the human experience, the better design we will have.”
— Steve Jobs, co-founder of Apple
In hackathons, the best ideas don't come from staring at a blank screen. They come from having a broad inventory of “elements” like technologies you've explored, industries you understand, and problems you've felt, along with the courage to combine them in ways nobody else would.
The Little Alchemy method works because it mirrors how creativity actually functions: not as a bolt of inspiration from nowhere, but as the systematic collision of ideas from different worlds. Every element you add to your list is another dot. Every combination is an attempt to connect them.
The more dots you collect, the more connections become possible.
Ideation Checklist
A step-by-step summary you can follow before and during your next hackathon. Print it, screenshot it, or just remember the flow.
Build your element list with at least 20-30 tech + domain + wild cards
Start combining randomly without filtering or judging. Just mix.
Step away and let diffuse thinking work by walking, playing, cooking, or hitting the gym
Generate volume first and aim for 15-20 unique combinations
Apply SCAMPER to your top 3 ideas and push them in all 7 directions
Pick the idea at the edge of the adjacent possible, asking yourself what just became feasible
Validate with your team by asking if it excites everyone and whether you can build it in 24-48 hours
Remember: The goal of ideation isn't to find the perfect idea on the first try. It's to generate enough raw material that one great idea rises to the surface. Trust the process, trust the volume, and trust your subconscious.