Bowling Darts

Bowling Darts simulates the experience of ten-pin bowling on a standard dartboard. The goal is to score as many points as possible across 10 frames, using the same strike-and-spare scoring system found in real bowling. A perfect game is worth 300 points, just like at the lanes.

Two or more players may compete. Use a standard bristle or electronic dartboard and prepare a ten-pin bowling score sheet for each player — ten frames with the standard small boxes for recording each ball's result and the running total.

Before play begins, all players agree on a single "alley" number (a number segment from 1–20) that will be used for the entire game. All scoring takes place within the zones of that chosen number. The alley number's segments correspond to pins knocked down as follows:

• Triple ring = 10 pins (strike zone)
• Double ring = 9 pins
• Inner single (the wedge between the triple ring and the bullseye) = 7 pins
• Outer single (the wedge between the triple ring and the double ring) = 3 pins

Determine throwing order by having each player throw one dart at the bullseye; the closest dart throws first. Play proceeds in order, frame by frame, just as bowlers alternate turns at the lane.

Each frame consists of up to two throws, simulating the two balls a bowler rolls per frame. On the first throw, the player aims at the alley number's segments to knock down pins:

• If the first dart lands in the triple of the alley number, that is a strike (10 pins). The frame is complete — no second dart is thrown. Mark an "X" in the frame.
• If the first dart lands in any other scoring zone of the alley number (double, inner single, or outer single), record the corresponding pin count and the player throws a second dart to try to pick up the remaining pins.
• If the first dart misses the alley number entirely (lands in any other number, off the board, or in the bullseye area), it is a gutter ball — zero pins. The player still throws a second dart.

On the second throw, the player again aims at the alley number. The pin count from the second dart is added to the first. If the two darts together total exactly 10 pins, the player has made a spare. Mark a "/" in the frame. However, a player cannot score the same single segment twice in one frame — for example, if the first dart hit the outer single (3 pins), and the second dart also hits the outer single, the second dart counts as zero. This prevents easily manufactured spares and adds a skill challenge.

If the second dart misses the alley number entirely, it is also a gutter ball (zero pins).

The 10th frame follows standard bowling rules for bonus throws: if the player rolls a strike on the first dart, they receive two additional throws (three darts total for the frame). If they roll a spare across the first two darts, they receive one additional throw. If the frame is open (fewer than 10 pins across two darts), no bonus throws are awarded.

Scoring follows standard ten-pin bowling rules precisely:

• Strike: 10 pins plus the pin value of the player's next two darts (which may fall in subsequent frames).
• Spare: 10 pins plus the pin value of the player's next one dart.
• Open frame: Simply the sum of pins knocked down by the two darts in that frame.

The pin values for each zone of the alley number are:

• Triple: 10 pins
• Double: 9 pins
• Inner single: 7 pins
• Outer single: 3 pins
• Miss / gutter ball: 0 pins

Example: Suppose the alley number is 17. In Frame 1, a player hits triple 17 — that is a strike (10 pins). In Frame 2, they hit outer single 17 (3 pins), then inner single 17 (7 pins) — that is a spare (10 total). In Frame 3, they hit outer single 17 (3 pins), then miss (0 pins) — an open frame scoring 3. Frame 1's score is 10 + 3 + 7 = 20. Frame 2's score is 10 + 3 = 13. Frame 3's score is 3. The running total after three frames is 20 + 13 + 3 = 36.

A perfect game — 12 consecutive strikes (strikes in all 10 frames plus two bonus strikes in the 10th) — scores 300, the maximum possible.

After all players have completed 10 frames (including any bonus throws in the 10th frame), the player with the highest total score wins. In the event of a tie, players may bowl an additional tiebreaker frame (or series of frames) until the tie is broken.

For extended competition, players may agree to bowl multiple games (e.g., best of 3 games, or highest cumulative score across 3 games), mirroring the multi-game series format used in competitive bowling leagues.

Specialized Bowling Dartboard: Purpose-built dartboards exist (including patented designs) that feature labeled pin zones (1–10) and gutter areas, replicating a bowling lane layout. These boards remove the need to designate an alley number and allow players to target individual pins by name, more closely mirroring the sport.

Electronic Dartboard Mode: Many electronic dartboards include a built-in bowling program that automates scoring and pin tracking. These modes often display animated pins on an LCD screen and handle all strike/spare bonus calculations automatically.

Full-Board Variant: Rather than restricting play to a single alley number, some house rules use different numbers on the board to represent different pin configurations. The specific mappings vary by group, so players should agree on the segment assignments before the game begins.

Difficulty Adjustment: To make the game easier for beginners, groups may rule that any triple on the board counts as a strike, or that the double and both single zones all count toward pin totals without the same-segment restriction. Conversely, to increase difficulty, groups may require that strikes can only be achieved with the triple, and spares only with specific segment combinations.

Choose your alley wisely: Before the game starts, select an alley number whose triple segment you can hit with reasonable consistency. If you are most accurate at triple 20 or triple 19 from your regular darts practice, use that number as the alley. Strikes are the engine of a high bowling score, and a reliable triple is the only path to them.

Plan your spare conversions: Because you cannot score the same single segment twice in one frame, know your backup options. If your first dart lands in the outer single (3 pins), you need 7 more — which means the inner single. If you hit the inner single first (7 pins), you need exactly 3 more from the outer single. Practice deliberately switching between the two single zones.

Respect the 10th frame: The 10th frame is where high scores separate from average ones. Up to 30 points are available in this frame alone (three strikes). Treat each bonus throw with the same focus as any other first-ball strike attempt — do not rush through the final frame.

Warm up on the alley number: Before the game begins, throw several practice darts at the designated alley number to calibrate your aim. The difference between the inner single and the outer single — a shift of just a few centimetres on the board — can mean the difference between a spare and an open frame.

Track your running score carefully: Bowling scoring is cumulative and deferred — a strike's full value is not known until two more darts are thrown. Assign one player as scorekeeper (or double-check the sheet after each frame) to avoid disputes. A miscounted spare bonus in Frame 3 will throw off every subsequent total.