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These websites offer simple games where you can see how much you know about the NBA or football.
Having ball knowledge in today’s sports landscape isn’t necessarily a requirement to enjoy the game, but it definitely adds another layer to the experience. From analytics and statistics to history and obscure trivia, being able to recognize players, teams, and eras has become part of sports fandom itself.
Whether it’s debating with friends in online discussions or simply testing yourself, there are now plenty of websites that challenge just how deep your knowledge of basketball and football really goes. If you’re looking to refresh your memory and prove that you know ball, these websites are worth checking out.
82-0
Starting with 82-0, the objective is simple: build an NBA lineup capable of going 82-0 in a season, but there’s a catch.
Players must fill each position based on randomized teams and decades, forcing them to dig deep into NBA history. Some combinations are easy, while others might have you searching through eras you weren’t even alive to witness.
The game also offers different difficulty options. Players can choose to have stats visible or challenge themselves with Hoop IQ mode, where player information is hidden entirely and selections are based purely on basketball knowledge. Recently, 82-0 also introduced a 1v1 mode, allowing players to compete head-to-head and let the community decide whose lineup reigns supreme.
What makes the game especially difficult is when the randomizer lands on franchises or eras that aren’t exactly known for producing all-time legends, making every successful run feel even more rewarding.
HoopGrids (and Gridiron Grids)
Now it gets tougher.
HoopGrids gives players the ultimate niche basketball test. The objective is to fill out a 3×3 grid by naming NBA players who satisfy the overlapping criteria for each row and column. It sounds simple enough when you just have to type a player’s name, and if they fit both categories, the box turns green.
But the real challenge lies in the rarity score. Every answer is tracked based on how many other players submitted the same response, meaning that finding obscure but correct answers is often more valuable than picking the obvious superstar.
For football fans, there’s also Gridiron Grids, which applies the exact same concept to the NFL. Whether it’s identifying players who suited up for multiple franchises or remembering forgotten Pro Bowlers from years past, both games reward fans who possess truly elite levels of sports knowledge.
Ultimate Eleven
For football fans, building dream lineups has always been fun, but Ultimate Eleven, created by the team behind 82-0, takes the concept to another level.
Players are tasked with building squads across different eras, clubs, and nations while meeting specific challenges. You might be asked to create a FIFA World Cup-winning squad or build an undefeated Premier League team for the 38-0 challenge. As the tactician, you also have the freedom to choose what formation your club will have.
The game rewards both historical knowledge and tactical decision-making, making it one of the most enjoyable ways to test just how well you know the beautiful game.
I Called Game
If pure trivia is more your style, then I Called Game, created by the makers of HoopGrids, is worth checking out.
Each day presents players with a different challenge ventured on a certain NBA topic, testing everything from player knowledge and historical moments to statistics and memorable performances. The constantly changing format keeps players on their toes and rewards fans who have followed the game closely over the years.
Poeltl
If you simply enjoy guessing NBA players, then Poeltl might be the perfect game for you.
Players have eight attempts to correctly identify a mystery NBA player. At first, you’re given no clues, although enabling the silhouette option might feel like cheating for those who truly want to put their basketball knowledge to the test.
After every guess, the game reveals whether attributes such as age, height, conference, team, position, and jersey number are correct, higher, or lower than the mystery player. It’s a simple concept, but one that can quickly become addicting for anyone who loves basketball trivia.
Banner Images by Robin Topacio.
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Frequently Asked Questions
82-0 challenges players to build a full NBA roster capable of a hypothetical undefeated season, filling each position using players from randomized teams and decades. A Hoop IQ mode hides player stats entirely, rewarding deep historical recall over surface-level name recognition.
Both games task players with naming NBA or NFL players who satisfy overlapping row-and-column criteria on a 3×3 grid. A rarity score tracks how many other players gave the same answer, making lesser-known correct picks worth more than obvious superstar choices.
Ultimate Eleven, built by the 82-0 team, challenges players to assemble football squads across different eras, clubs, and nations while meeting scenario requirements, such as a World Cup-winning roster or an undefeated Premier League lineup, combining historical recall with tactical formation choices.
Created by the makers of HoopGrids, I Called Game presents a new NBA-focused challenge each day, covering player facts, historical moments, and statistics. The rotating format keeps the trivia fresh and rewards fans who follow the league closely over time.
Poeltl gives players eight attempts to identify a mystery NBA player, with each guess revealing whether attributes like age, height, position, team, conference, and jersey number are correct, higher, or lower than the hidden answer, similar in structure to Wordle-style guessing games.
