User:H. H. P. M. P. Cole/OCADOTY2023 Nominations

A table to collect nominations for OCADOTY2023. Anyone please feel free to contribute missing entries, but discuss in the dedicated thread before changing an existing entry. Editing will probably become irrelevant when a OCADOTY 2023 voting thread is created.

By H. H. P. M. P. Cole, confocaloid, Haycat Durnak, and NimbleRogue

Life-like rules

1. Omniperiodicity proofs in many Life-like rules

2. Guns in many Life-like rules, including a Hashlife-friendly gun in 2x2

6. Various new oscillators in Life-like rules, including oscillators in Seeds, and a replicator shuttle in B37/S345.

8. Various spaceships in Life-like cellular automata.

7. A tiny c/7 in Diamoeba, by cyl.

41. The first odd period oscillator in Diamoeba, by bibunsekibun.

10. a p661 in B356/S23, by FWKnightship.

13. A 3-engine corderization of an OT giraffepuffer, by AbhpzTa.

49. A 2-engine cordership made out of blinker puffers in B356/S23, by b-engine.

Spaceships

Elementary

15. Progress on the 5S project, by many users.

16. New small adjustable spaceships, including 3-cell adjustable ships by Macbi.

29. The highest period INT ship, a 729c/7,229,407o, by NimbleRogue.

30. A wandering spaceship that never gets destroyed despite a change in one condition, but the condition affects its trajectory, by confocaloid.

34. A rule with a c/3o, c/21o, 2c/44d, c/24d, 2c/50d, and a 7c/347d that has none of S0123, by snowman.

35. A rule which has several (relatively small and thin) spaceships of 25 orthogonal velocities, by May13.

Engineered

11. an 8c/187 engineered spaceship in tLife, by toroidalet.

12. Some constructions in B2i34cj6a7c8/S2-i3-a4ceit6in, including infinitely many oblique spaceships.

21. A giraffeship that is made out of five period-240 'cloverleaf' fake RROs, by GUYTU6J.

39. Some spaceships in Harvest Moon, by FWKnightship

Other INT constructions

19. A 531-generation 1-cell methuselah in a 2-state rule, by toroidalet.

24. B35e/S2-i36c, a rule with a OMOS which is made out of four 2c/5o ships, by AlbertArmStain.

31. A rule not too far off from Life that has speed- and slope-adjustable glider-based SMOS, by GUYTU6J.

32. Marine Magnificence, an explosive rule with several small guns of several small periods, by FlutterWithKSparkler.

33. 3 OMOS's of a (2,1)c/51 knightship, a p312, p462, and a p1386, by pipsqueek.

37. Various reflectorless rotating oscillators, by many users.

38. A failed loop replicator in INT, by NimbleRogue.

42. Self-inverse rules that spontaneously form rectangular tilings, by muzik.

43. The completion of the 'sweet revenge' trilogy featuring eaters (in Life) being eaten by gliders, by b3s23love.

50 How could we forget toroidalet's methuselah with a lifespan around 10^28,049,842

LtL and other-neighbourhood rules

9. New spaceships in OT hexagonal rules, including a Cordership in an INT hexagonal rule.

36. Hexogen, a self-complementary hexagonal rule with guns, by Yoel.

14. New gliders in 2-state von Neumann rules.

25. Hash2, an LtL rule with a very small camelship, by b-engine.

27. Factorio, a rule with various interesting mathematical properties, by H. H. P. M. P. Cole.

47. Exploration in Bosco's Rule, including two W110 emulators by FWKnightship and Yoel, and the first natural gun in the rule.

Multi-state rules

Computers

4. CGOL metacells in Fireworld and WWEJ3.

5. A tiny computer called LEAST, in a period-1 wiring rule called Semaphore, by _zM.

Technology

40. Some exploration in multistate rules that add variations to CGOL, including Brew, Symbiosis, and StateInvestigator.

44. A spiralmaker in Flow6, by Redstoneboi.

46. A spiralmaker in the INT Generations rule 1e2-a3-cij4aijkrtz5cnqr/2ce3aejnr4aj5y6a/3 (A Wire-like World), by silversmith.

Miscellaneous

17. The slowest 1-cell 3-state ship, which has a period of over 10^^(10^^27), by toroidalet.

22. SoManyShips2, a 3-state rule with 2 failed replicator oscillators (one OMOS), a 4c/9 replicator, and over fifty small ships and several families of extensible ones, by FWKnightship.

23. A 3-state rule with a SMOSMOSMOS which beat the previous record level of SMOS iteration by 2, by FWKnightship.

Miscellaneous

3. W110 emulator stripes in Grounded Life, Just Friends, B3/S2, and B3/S0134V.

26. The Upper limit for oscillator period with N cells in envelope box challenge, of which H. H. P. M. P. Cole found several of these oscillators. Several users have contributed to other sizes of boxes as well as a 3x4-box upper bound.

45. A new largest FIGseed, with a FIG value of over 379 million, by bibunsekibun.